1	"Petals imbricate in bud"	2
1	"Petals valvate in bud"	42
1	"Buds not present (petal aestivation unknown)"	61
2	"Petals usually prominently glandular-punctate, tip with a small but distinct incurved hook (if blunt then branchlets stellate-pubescent); anthers often with a broad dark-coloured abaxial connective; leaves simple, pinnate or bipinnate or tripinnate"	"Boronia tenuis"
2	"Petals variably glandular, tip not inflexed in bud; plant glabrous or with simple hairs: anthers without a dark-coloured abaxial connective; leaves simple or pinnate"	3
3	"Petals not apiculate; seed rugose; branches developing a visible cream-coloured spongy layer; leaves simple, linear, often in fascicles; flowers in terminal pedunculate cymes"	"Boronia cymosa"
3	"Petals usually subterminally or terminally apiculate; seed smooth, usually glossy; branches not developing a cream-coloured spongy layer; leaves simple or pinnate, opposite; inflorescences terminal or axillary, 1-flowered or cymose"	4
4	"Sepals imbricate or open in bud, glabrous or hairy, persistent in fruit; seed with an adaxial linear hilum, usually in a distinctive groove, without a basal elaiosome"	5
4	"Sepals valvate in bud, glabrous or rarely woolly abaxially, usually caducous; seed with an adaxial linear hilum (not in a groove) and a cream coloured spongy elaiosome at base"	33
5	"Leaves simple"	6
5	"Leaves compound"	14
6	"Leaves flat to recurved, linear to broadly ovate, cordate, or obovate to almost circular"	7
6	"Leaves terete or subterete or if narrowly oblong then concave above"	13
7	"Flowers in terminal, and sometimes also upper axillary, slender pedunculate open cymes; leaf base cordate or obtuse"	8
7	"Flowers axillary or in compact terminal cymes; leaf base not cordate"	10
8	"Leaf margin recurved to revolute"	"Boronia scabra"
8	"Leaves flat, or margins slightly recurved"	9
9	"Leaves scabridulous above, obtuse at base; sepals c. 1.5 mm long"	"Boronia humifusa"
9	"Leaves smooth above, cordate at base; sepals c. 2.5 mm long"	"Boronia ovata"
10	"Staminal filaments glabrous"	"Boronia heterophylla"
10	"Staminal filaments variously hairy"	11
11	"Staminal filaments woolly-ciliate"	"Boronia crenulata"
11	"Staminal filaments sparsely to densely pilose with rigid simple hairs"	12
12	"Leaf margin smooth, recurved to revolute"	"Boronia scabra"
12	"Leaf margin finely toothed or minutely crenulate, plane"	"Boronia crassipes"
13	"Leaves narrowly oblong or semiterete, concave above, 4–15 mm long, glabrous or pilose"	"Boronia capitata"
13	"Leaves slender terete, mucronate, mostly c. 2 cm long (range 1–3 cm long), glabrous"	"Boronia nematophylla"
14	"Leaflets terete, subterete, or club-shaped, sometimes somewhat flattened but not channelled above"	15
14	"Leaflets not subterete or if so then channelled or concave above"	20
15	"Branchlets pilose"	"Boronia oxyantha"
15	"Branchlets puberulous or glabrous"	16
16	"Style absent; stigma large, entire or distinctly divided"	17
16	"Style evident, terete; stigma minute or only slightly wider than style, entire"	19
17	"Pedicels slender, c. 10 mm long; petals dark brown to purple black abaxially"	"Boronia megastigma"
17	"Pedicels thickened towards apex, to 5 mm long; petals green to cream or reddish brown"	18
18	"Leaves 3–5-foliolate, subterete; stigma with 4 lobes"	"Boronia octandra"
18	"Leaflets 3–7-foliolate, flattened but thick; stigma cushion-shaped"	"Boronia crassifolia"
19	"Branches glandular-verrucose; staminal filaments glabrous"	"Boronia inornata"
19	"Branches not glandular-verrucose; staminal filaments pilose or glabrous"	"Boronia oxyantha"
20	"Petals pale yellow-green; style and stigma together massive, club-shaped, c. 4 mm long"	"Boronia clavata"
20	"Petals cream or white to red or reddish brown, or black or yellow or pale greenish yellow; stigma minute to globular; stigma and style together 0.5–3 mm long"	21
21	"Stems glabrous"	"Boronia heterophylla"
21	"Stems puberulous to pilose"	22
22	"Stems pilose"	23
22	"Stems puberulous"	29
23	"Sepals narrowly triangular"	24
23	"Sepals triangular to orbicular"	25
24	"Stamens glabrous; sepals very narrowly triangular, 3–7 mm long, pilose"	"Boronia stricta"
24	"Stamens variously hairy; sepals narrowly triangular, 1–4.5 mm long, puberulous or pilose, sometimes only a few hairs"	"Boronia albiflora"
25	"Antisepalous anthers black and large, 1.5–2 mm long"	"Boronia molloyae"
25	"Antisepalous anthers usually yellow, small, to 1 mm long"	26
26	"Style cylindrical; stigma minute, as wide or slightly wider than style"	"Boronia albiflora"
26	"Style absent or much shorter than stigma; stigma large, cushion-shaped to obovoid"	27
27	"Antisepalous anthers minute, < 0.5 mm long, and terminal to filament; stigma spherical to obovoid, 4-winged"	"Boronia purdieana"
27	"Antisepalous anthers 0.5–1 mm long, subterminal to filament; stigma cushion-shaped, 4-lobed or globular"	28
28	"Inflorescence as long or longer than leaves, not pendulous; pedicels 10–30 mm long; sepals 0.5–1 mm long"	"Boronia gracilipes"
28	"Inflorescence shorter than leaves, sometimes pendulous; pedicel 1–2 mm long; sepals 2–3 mm long"	"Boronia tetrandra"
29	"Branches glandular-verrucose; stigma minute, barely wider than style"	"Boronia coriacea"
29	"Branches not glandular-verrucose or if slightly glandular-verrucose then stigma prominent and globose"	30
30	"Petals chocolate-brown to purple-black abaxially, yellow adaxially; stamens glabrous"	"Boronia megastigma"
30	"Petals white to pink or reddish brown; stamens pilose"	31
31	"Stigma usually shorter and as wide or slightly wider than style, not concealing it"	"Boronia virgata"
31	"Stigma significantly wider and longer than style and often concealing it"	32
32	"Flowers usually pendant; disc and staminal filaments minutely pubescent; style absent"	"Boronia crassifolia"
32	"Flowers usually erect; disc glabrous; staminal filaments variously hairy; style visible"	"Boronia pulchella"
33	"Pedicels glandular-aculeate"	"Boronia dichotoma"
33	"Pedicels smooth"	34
34	"Staminal filaments glabrous"	35
34	"Staminal filaments hairy"	36
35	"Flowers in umbelliform cymes; leaves linear to semiterete, usually caducous; pedicels glabrous or sparsely to densely woolly"	"Boronia juncea"
35	"Flowers in cymes; leaves linear to elliptic or obovate, persistent; pedicels glabrous"	"Boronia denticulata"
36	"Branchlets flattened and sharply 2-angled"	"Boronia anceps"
36	"Branchlets ±terete or 4-angled"	37
37	"Pedicels somewhat woolly"	"Boronia exilis"
37	"Pedicels glabrous"	38
38	"Flowers in umbelliform cymes; pedicels slender or thick, deep red, with or without minute basal bracteoles"	39
38	"Flowers in cymes; pedicels thickened, at least towards apex, green to pale red, with medial bracteoles"	41
39	"Branchlets terete, smooth"	"Boronia fastigiata"
39	"Branchlets 4-ribbed or angled"	40
40	"Branchlet ribs blunt, glandular-undulate"	"Boronia tenuior"
40	"Branchlet ribs sharp and smooth"	"Boronia tetragona"
41	"Leaves mostly longer than internodes; pedicels not glandular-punctate"	"Boronia denticulata"
41	"Leaves mostly shorter than internodes; pedicels glandular-punctate"	"Boronia spathulata"
42	"Inflorescences axillary; stellate hairs present (except B. anomala), if only on flowers"	43
42	"Inflorescences terminal and sometimes also axillary; stellate hairs absent"	60
43	"Sepals c. same size as or longer than petals"	44
43	"Sepals shorter than petals"	52
44	"Leaves 1–3-foliolate (rachis absent)"	45
44	"Leaves mostly 5–55+-foliolate (rachis present)"	48
45	"Leaves 3-foliolate; leaflets elliptic to oblanceolate, densely tomentose (epidermis not visible); anthers ±equal"	"Boronia adamsiana"
45	"Leaves 1–3-foliolate; leaves or leaflets ovate or lanceolate or elliptic or linear, glabrous or with a sparse to moderately-dense indumentum (epidermis visible), or densely tomentose and then leaves simple; antipetalous anthers much larger than antisepalous anthers"	46
46	"Young stems glandular-verrucose; leaves 3-foliolate; leaflets linear"	"Boronia jucunda"
46	"Young stems not obviously glandular; leaves 1–3-foliolate; leaves or leaflets lanceolate, elliptic to ovate"	47
47	"Leaves glabrous or with a few scattered hairs"	"Boronia pauciflora"
47	"Leaves with a sparse to dense stellate indumentum (sometimes minute)"	"Boronia barrettiorum"
48	"At least some leaves with > 30 leaflets; lateral leaflets elliptic to rhombic to circular; petiole 0–2 mm long"	49
48	"Leaves with < 30 leaflets (if > 30 leaflets then some petioles > 2.5 mm long); lateral leaflets linear to elliptic; petiole 0–7 mm long"	50
49	"Terminal leaflets (1–) 3–8 mm long; lateral leaflets 0.5–7 mm long; pedicel (2–) 6–22 mm long"	"Boronia filicifolia"
49	"Terminal leaflets 1–3 mm long; lateral leaflets 0.5–2 mm long; pedicel 1–6 mm long"	"Boronia minutipinna"
50	"Sepals 3.5–6 mm long, equal to or slightly larger than petals, abaxial surface glabrous or with a sparse indumentum; petals 2.5–4 mm long; pedicel 7–24 mm long"	"Boronia kalumburuensis"
50	"Sepals (4–) 5–15 mm long, usually much larger than petals, abaxial surface glabrous or with a sparse to dense indumentum; petals 3–10 mm long; pedicel 3–6 (–10) mm long"	51
51	"Leaflets linear to narrowly elliptic, so revolute that abaxial surface not usually visible; sepals (4–) 7–15 mm long, abaxial surface glabrous or sparsely to densely hairy"	"Boronia lanuginosa"
51	"Leaflets elliptic to lanceolate, abaxial surface visible; sepals 5–10 mm long, abaxial surface densely hairy"	"Boronia wilsonii"
52	"Leaves simple or unifoliolate"	"Boronia ternata"
52	"Pinnate leaves present"	53
53	"Both surfaces of adult leaves with a dense indumentum (epidermis not visible)"	"Boronia ternata"
53	"Adaxial surface of leaves without a dense indumentum (epidermis visible); abaxial surface of leaves glabrous or with a sparse to dense indumentum"	54
54	"Leaflets strongly discolorous, abaxial surface densely tomentose (epidermis not visible) or rarely moderately densely hairy (with two different types of stellate hairs: large multiangular stellate hairs and smaller planar hairs)"	55
54	"Leaflets slightly discolorous or concolorous, indumentum of abaxial surface not dense and not concealing epidermis; one type of stellate hair present"	58
55	"Sepals narrowly triangular to narrowly ovate-deltate, at least 2.5 times as long as wide, apex acute"	56
55	"Sepals ovate-deltate to elliptic, 1.5–2 times as long as wide, apex acute or acuminate"	57
56	"Leaves sessile"	"Boronia ericifolia"
56	"Leaves petiolate"	"Boronia revoluta"
57	"Leaves sessile"	"Boronia ericifolia"
57	"Leaves petiolate"	"Boronia revoluta"
58	"Plant glabrous apart from stamens and adaxial surface of petals; leaflets < 1 mm wide; sepals c. 1.25 mm long"	"Boronia anomala"
58	"Indumentum present, sometimes only on inflorescence and perianth parts; leaflets usually > 1 mm wide; sepals 2–5 mm long"	59
59	"Antipetalous anthers much larger than antisepalous anthers; petals 2.5–5 mm long; leaves (5–) 11–55-foliolate, sessile or petiole rarely to 2 mm long"	"Boronia filicifolia"
59	"Anthers all ±equal in length; petals 4–12 mm long; leaves 1–15-foliolate (or to 25-foliolate and then leaves densely hairy), petiole 1–30 mm long (or rarely absent and then leaves ternate)"	"Boronia ternata"
60	"Leaves pinnate or bipinnate; inflorescence a many-flowered, cymose panicle; peduncle woody"	"Boronia alata"
60	"Leaves pinnate or simple; inflorescence cymose, 1 (–3)-flowered, peduncle absent"	"Boronia corynophylla"
61	"Stellate hairs present, if only on flowers; inflorescence axillary"	62
61	"Stellate hairs absent; inflorescence axillary or terminal"	80
62	"Petals prominently glandular-punctate; seed usually rugose"	"Boronia tenuis"
62	"Petals not glandular-punctate; seed not rugose"	63
63	"Sepals c. same size as or longer than petals"	64
63	"Sepals shorter than petals"	72
64	"Leaves 1–3-foliolate (rachis absent)"	65
64	"Leaves mostly 5–55+-foliolate (rachis present)"	68
65	"Leaves 3-foliolate; leaflets elliptic to oblanceolate, densely tomentose (epidermis not visible); anthers ±equal"	"Boronia adamsiana"
65	"Leaves 1–3-foliolate; leaves or leaflets ovate or lanceolate or elliptic or linear, glabrous or with a sparse to moderately-dense indumentum (epidermis visible), or densely tomentose and then leaves simple; antipetalous anthers much larger than antisepalous anthers"	66
66	"Young stems glandular-verrucose; leaves 3-foliolate; leaflets linear"	"Boronia jucunda"
66	"Young stems not obviously glandular; leaves 1–3-foliolate; leaves or leaflets lanceolate, elliptic to ovate"	67
67	"Leaves glabrous or with a few scattered hairs"	"Boronia pauciflora"
67	"Leaves with a sparse to dense stellate indumentum (sometimes minute)"	"Boronia barrettiorum"
68	"At least some leaves with > 30 leaflets; lateral leaflets elliptic to rhombic to circular; petiole 0–2 mm long"	69
68	"Leaves with < 30 leaflets (if > 30 leaflets then some petioles > 2.5 mm long); lateral leaflets linear to elliptic; petiole 0–7 mm long"	70
69	"Terminal leaflets (1–) 3–8 mm long; lateral leaflets 0.5–7 mm long; pedicel (2–) 6–22 mm long"	"Boronia filicifolia"
69	"Terminal leaflets 1–3 mm long; lateral leaflets 0.5–2 mm long; pedicel 1–6 mm long"	"Boronia minutipinna"
70	"Sepals 3.5–6 mm long, equal to or slightly larger than petals, abaxial surface glabrous or with a sparse indumentum; petals 2.5–4 mm long; pedicel 7–24 mm long"	"Boronia kalumburuensis"
70	"Sepals (4–) 5–15 mm long, usually much larger than petals, abaxial surface glabrous or with a sparse to dense indumentum; petals 3–10 mm long; pedicel 3–6 (–10) mm long"	71
71	"Leaflets linear to narrowly elliptic, so revolute that abaxial surface not usually visible; sepals (4–) 7–15 mm long, abaxial surface glabrous or sparsely to densely hairy"	"Boronia lanuginosa"
71	"Leaflets elliptic to lanceolate, abaxial surface visible; sepals 5–10 mm long, abaxial surface densely hairy"	"Boronia wilsonii"
72	"Leaves simple or unifoliolate"	"Boronia ternata"
72	"Pinnate leaves present"	73
73	"Both surfaces of adult leaves with a dense indumentum (epidermis not visible)"	"Boronia ternata"
73	"Adaxial surface of leaves without a dense indumentum (epidermis visible); abaxial surface of leaves glabrous or with a sparse to dense indumentum"	74
74	"Leaflets strongly discolorous, abaxial surface densely tomentose (epidermis not visible) or rarely moderately densely hairy (with two different types of stellate hairs: large multiangular stellate hairs and smaller planar hairs)"	75
74	"Leaflets slightly discolorous or concolorous, indumentum of abaxial surface not dense and not concealing epidermis; one type of stellate hair present"	78
75	"Sepals narrowly triangular to narrowly ovate-deltate, at least 2.5 times as long as wide, apex acute"	76
75	"Sepals ovate-deltate to elliptic, 1.5–2 times as long as wide, apex acute or acuminate"	77
76	"Leaves sessile"	"Boronia ericifolia"
76	"Leaves petiolate"	"Boronia revoluta"
77	"Leaves sessile"	"Boronia ericifolia"
77	"Leaves petiolate"	"Boronia revoluta"
78	"Plant glabrous apart from stamens and adaxial surface of petals; leaflets < 1 mm wide; sepals c. 1.25 mm long"	"Boronia anomala"
78	"Indumentum present, sometimes only on inflorescence and perianth parts; leaflets usually > 1 mm wide; sepals 2–5 mm long"	79
79	"Antipetalous anthers much larger than antisepalous anthers; petals 2.5–5 mm long; leaves (5–) 11–55-foliolate, sessile or petiole rarely to 2 mm long"	"Boronia filicifolia"
79	"Anthers all ±equal in length; petals 4–12 mm long; leaves 1–15-foliolate (or to 25-foliolate and then leaves densely hairy), petiole 1–30 mm long (or rarely absent and then leaves ternate)"	"Boronia ternata"
80	"Petals usually prominently glandular-punctate, tip with a small but distinct incurved hook"	"Boronia tenuis"
80	"Petals not prominently glandular-punctate, tip not inflexed"	81
81	"Inflorescences axillary"	82
81	"Inflorescences terminal and sometimes also axillary"	138
82	"Antipetalous anthers smaller than or equal to antisepalous anthers, if larger then stems hairy; leaves simple or pinnate"	83
82	"Antipetalous anthers much larger than antisepalous anthers; branches glabrous; leaves pinnate"	121
83	"Sepals imbricate or open in bud, glabrous or hairy, persistent in fruit; seed with an adaxial linear hilum, usually in a distinctive groove, without a basal elaiosome"	84
83	"Sepals valvate in bud, glabrous or rarely woolly abaxially, usually caducous; seed with an adaxial linear hilum (not in a groove) and a cream coloured spongy elaiosome at base"	112
84	"Leaves simple"	85
84	"Leaves compound"	93
85	"Leaves flat to recurved, linear to broadly ovate, cordate, or obovate to almost circular"	86
85	"Leaves terete or subterete or if narrowly oblong then concave above"	92
86	"Flowers in terminal, and sometimes also upper axillary, slender pedunculate open cymes; leaf base cordate or obtuse"	87
86	"Flowers axillary or in compact terminal cymes; leaf base not cordate"	89
87	"Leaf margin recurved to revolute"	"Boronia scabra"
87	"Leaves flat, or margins slightly recurved"	88
88	"Leaves scabridulous above, obtuse at base; sepals c. 1.5 mm long"	"Boronia humifusa"
88	"Leaves smooth above, cordate at base; sepals c. 2.5 mm long"	"Boronia ovata"
89	"Staminal filaments glabrous"	"Boronia heterophylla"
89	"Staminal filaments variously hairy"	90
90	"Staminal filaments woolly-ciliate"	"Boronia crenulata"
90	"Staminal filaments sparsely to densely pilose with rigid simple hairs"	91
91	"Leaf margin smooth, recurved to revolute"	"Boronia scabra"
91	"Leaf margin finely toothed or minutely crenulate, plane"	"Boronia crassipes"
92	"Leaves narrowly oblong or semiterete, concave above, 4–15 mm long, glabrous or pilose"	"Boronia capitata"
92	"Leaves slender terete, mucronate, mostly c. 2 cm long (range 1–3 cm long), glabrous"	"Boronia nematophylla"
93	"Leaflets terete, subterete, or club-shaped, sometimes somewhat flattened but not channelled above"	94
93	"Leaflets not subterete or if so then channelled or concave above"	99
94	"Branchlets pilose"	"Boronia oxyantha"
94	"Branchlets puberulous or glabrous"	95
95	"Style absent; stigma large, entire or distinctly divided"	96
95	"Style evident, terete; stigma minute or only slightly wider than style, entire"	98
96	"Pedicels slender, c. 10 mm long; petals dark brown to purple black abaxially"	"Boronia megastigma"
96	"Pedicels thickened towards apex, to 5 mm long; petals green to cream or reddish brown"	97
97	"Leaves 3–5-foliolate, subterete; stigma with 4 lobes"	"Boronia octandra"
97	"Leaflets 3–7-foliolate, flattened but thick; stigma cushion-shaped"	"Boronia crassifolia"
98	"Branches glandular-verrucose; staminal filaments glabrous"	"Boronia inornata"
98	"Branches not glandular-verrucose; staminal filaments pilose or glabrous"	"Boronia oxyantha"
99	"Petals pale yellow-green; style and stigma together massive, club-shaped, c. 4 mm long"	"Boronia clavata"
99	"Petals cream or white to red or reddish brown, or black or yellow or pale greenish yellow; stigma minute to globular; stigma and style together 0.5–3 mm long"	100
100	"Stems glabrous"	"Boronia heterophylla"
100	"Stems puberulous to pilose"	101
101	"Stems pilose"	102
101	"Stems puberulous"	108
102	"Sepals narrowly triangular"	103
102	"Sepals triangular to orbicular"	104
103	"Stamens glabrous; sepals very narrowly triangular, 3–7 mm long, pilose"	"Boronia stricta"
103	"Stamens variously hairy; sepals narrowly triangular, 1–4.5 mm long, puberulous or pilose, sometimes only a few hairs"	"Boronia albiflora"
104	"Antisepalous anthers black and large, 1.5–2 mm long"	"Boronia molloyae"
104	"Antisepalous anthers usually yellow, small, to 1 mm long"	105
105	"Style cylindrical; stigma minute, as wide or slightly wider than style"	"Boronia albiflora"
105	"Style absent or much shorter than stigma; stigma large, cushion-shaped to obovoid"	106
106	"Antisepalous anthers minute, < 0.5 mm long, and terminal to filament; stigma spherical to obovoid, 4-winged"	"Boronia purdieana"
106	"Antisepalous anthers 0.5–1 mm long, subterminal to filament; stigma cushion-shaped, 4-lobed or globular"	107
107	"Inflorescence as long or longer than leaves, not pendulous; pedicels 10–30 mm long; sepals 0.5–1 mm long"	"Boronia gracilipes"
107	"Inflorescence shorter than leaves, sometimes pendulous; pedicel 1–2 mm long; sepals 2–3 mm long"	"Boronia tetrandra"
108	"Branches glandular-verrucose; stigma minute, barely wider than style"	"Boronia coriacea"
108	"Branches not glandular-verrucose or if slightly glandular-verrucose then stigma prominent and globose"	109
109	"Petals chocolate-brown to purple-black abaxially, yellow adaxially; stamens glabrous"	"Boronia megastigma"
109	"Petals white to pink or reddish brown; stamens pilose"	110
110	"Stigma usually shorter and as wide or slightly wider than style, not concealing it"	"Boronia virgata"
110	"Stigma significantly wider and longer than style and often concealing it"	111
111	"Flowers usually pendant; disc and staminal filaments minutely pubescent; style absent"	"Boronia crassifolia"
111	"Flowers usually erect; disc glabrous; staminal filaments variously hairy; style visible"	"Boronia pulchella"
112	"Pedicels glandular-aculeate"	"Boronia dichotoma"
112	"Pedicels smooth"	113
113	"Staminal filaments glabrous"	114
113	"Staminal filaments hairy"	115
114	"Flowers in umbelliform cymes; leaves linear to semiterete, usually caducous; pedicels glabrous or sparsely to densely woolly"	"Boronia juncea"
114	"Flowers in cymes; leaves linear to elliptic or obovate, persistent; pedicels glabrous"	"Boronia denticulata"
115	"Branchlets flattened and sharply 2-angled"	"Boronia anceps"
115	"Branchlets ±terete or 4-angled"	116
116	"Pedicels somewhat woolly"	"Boronia exilis"
116	"Pedicels glabrous"	117
117	"Flowers in umbelliform cymes; pedicels slender or thick, deep red, with or without minute basal bracteoles"	118
117	"Flowers in cymes; pedicels thickened, at least towards apex, green to pale red, with medial bracteoles"	120
118	"Branchlets terete, smooth"	"Boronia fastigiata"
118	"Branchlets 4-ribbed or angled"	119
119	"Branchlet ribs blunt, glandular-undulate"	"Boronia tenuior"
119	"Branchlet ribs sharp and smooth"	"Boronia tetragona"
120	"Leaves mostly longer than internodes; pedicels not glandular-punctate"	"Boronia denticulata"
120	"Leaves mostly shorter than internodes; pedicels glandular-punctate"	"Boronia spathulata"
121	"Sepals c. same size as or longer than petals"	122
121	"Sepals shorter than petals"	130
122	"Leaves 1–3-foliolate (rachis absent)"	123
122	"Leaves mostly 5–55+-foliolate (rachis present)"	126
123	"Leaves 3-foliolate; leaflets elliptic to oblanceolate, densely tomentose (epidermis not visible); anthers ±equal"	"Boronia adamsiana"
123	"Leaves 1–3-foliolate; leaves or leaflets ovate or lanceolate or elliptic or linear, glabrous or with a sparse to moderately-dense indumentum (epidermis visible), or densely tomentose and then leaves simple; antipetalous anthers much larger than antisepalous anthers"	124
124	"Young stems glandular-verrucose; leaves 3-foliolate; leaflets linear"	"Boronia jucunda"
124	"Young stems not obviously glandular; leaves 1–3-foliolate; leaves or leaflets lanceolate, elliptic to ovate"	125
125	"Leaves glabrous or with a few scattered hairs"	"Boronia pauciflora"
125	"Leaves with a sparse to dense stellate indumentum (sometimes minute)"	"Boronia barrettiorum"
126	"At least some leaves with > 30 leaflets; lateral leaflets elliptic to rhombic to circular; petiole 0–2 mm long"	127
126	"Leaves with < 30 leaflets (if > 30 leaflets then some petioles > 2.5 mm long); lateral leaflets linear to elliptic; petiole 0–7 mm long"	128
127	"Terminal leaflets (1–) 3–8 mm long; lateral leaflets 0.5–7 mm long; pedicel (2–) 6–22 mm long"	"Boronia filicifolia"
127	"Terminal leaflets 1–3 mm long; lateral leaflets 0.5–2 mm long; pedicel 1–6 mm long"	"Boronia minutipinna"
128	"Sepals 3.5–6 mm long, equal to or slightly larger than petals, abaxial surface glabrous or with a sparse indumentum; petals 2.5–4 mm long; pedicel 7–24 mm long"	"Boronia kalumburuensis"
128	"Sepals (4–) 5–15 mm long, usually much larger than petals, abaxial surface glabrous or with a sparse to dense indumentum; petals 3–10 mm long; pedicel 3–6 (–10) mm long"	129
129	"Leaflets linear to narrowly elliptic, so revolute that abaxial surface not usually visible; sepals (4–) 7–15 mm long, abaxial surface glabrous or sparsely to densely hairy"	"Boronia lanuginosa"
129	"Leaflets elliptic to lanceolate, abaxial surface visible; sepals 5–10 mm long, abaxial surface densely hairy"	"Boronia wilsonii"
130	"Leaves simple or unifoliolate"	"Boronia ternata"
130	"Pinnate leaves present"	131
131	"Both surfaces of adult leaves with a dense indumentum (epidermis not visible)"	"Boronia ternata"
131	"Adaxial surface of leaves without a dense indumentum (epidermis visible); abaxial surface of leaves glabrous or with a sparse to dense indumentum"	132
132	"Leaflets strongly discolorous, abaxial surface densely tomentose (epidermis not visible) or rarely moderately densely hairy (with two different types of stellate hairs: large multiangular stellate hairs and smaller planar hairs)"	133
132	"Leaflets slightly discolorous or concolorous, indumentum of abaxial surface not dense and not concealing epidermis; one type of stellate hair present"	136
133	"Sepals narrowly triangular to narrowly ovate-deltate, at least 2.5 times as long as wide, apex acute"	134
133	"Sepals ovate-deltate to elliptic, 1.5–2 times as long as wide, apex acute or acuminate"	135
134	"Leaves sessile"	"Boronia ericifolia"
134	"Leaves petiolate"	"Boronia revoluta"
135	"Leaves sessile"	"Boronia ericifolia"
135	"Leaves petiolate"	"Boronia revoluta"
136	"Plant glabrous apart from stamens and adaxial surface of petals; leaflets < 1 mm wide; sepals c. 1.25 mm long"	"Boronia anomala"
136	"Indumentum present, sometimes only on inflorescence and perianth parts; leaflets usually > 1 mm wide; sepals 2–5 mm long"	137
137	"Antipetalous anthers much larger than antisepalous anthers; petals 2.5–5 mm long; leaves (5–) 11–55-foliolate, sessile or petiole rarely to 2 mm long"	"Boronia filicifolia"
137	"Anthers all ±equal in length; petals 4–12 mm long; leaves 1–15-foliolate (or to 25-foliolate and then leaves densely hairy), petiole 1–30 mm long (or rarely absent and then leaves ternate)"	"Boronia ternata"
138	"Petals usually subterminally or terminally apiculate; seed glossy or dull, smooth at magnification"	139
138	"Petals not apiculate; seeds dull, not smooth at magnification"	177
139	"Sepals imbricate or open in bud, glabrous or hairy, persistent in fruit; seed with an adaxial linear hilum, usually in a distinctive groove, without a basal elaiosome"	140
139	"Sepals valvate in bud, glabrous or rarely woolly abaxially, usually caducous; seed with an adaxial linear hilum (not in a groove) and a cream coloured spongy elaiosome at base"	168
140	"Leaves simple"	141
140	"Leaves compound"	149
141	"Leaves flat to recurved, linear to broadly ovate, cordate, or obovate to almost circular"	142
141	"Leaves terete or subterete or if narrowly oblong then concave above"	148
142	"Flowers in terminal, and sometimes also upper axillary, slender pedunculate open cymes; leaf base cordate or obtuse"	143
142	"Flowers axillary or in compact terminal cymes; leaf base not cordate"	145
143	"Leaf margin recurved to revolute"	"Boronia scabra"
143	"Leaves flat, or margins slightly recurved"	144
144	"Leaves scabridulous above, obtuse at base; sepals c. 1.5 mm long"	"Boronia humifusa"
144	"Leaves smooth above, cordate at base; sepals c. 2.5 mm long"	"Boronia ovata"
145	"Staminal filaments glabrous"	"Boronia heterophylla"
145	"Staminal filaments variously hairy"	146
146	"Staminal filaments woolly-ciliate"	"Boronia crenulata"
146	"Staminal filaments sparsely to densely pilose with rigid simple hairs"	147
147	"Leaf margin smooth, recurved to revolute"	"Boronia scabra"
147	"Leaf margin finely toothed or minutely crenulate, plane"	"Boronia crassipes"
148	"Leaves narrowly oblong or semiterete, concave above, 4–15 mm long, glabrous or pilose"	"Boronia capitata"
148	"Leaves slender terete, mucronate, mostly c. 2 cm long (range 1–3 cm long), glabrous"	"Boronia nematophylla"
149	"Leaflets terete, subterete, or club-shaped, sometimes somewhat flattened but not channelled above"	150
149	"Leaflets not subterete or if so then channelled or concave above"	155
150	"Branchlets pilose"	"Boronia oxyantha"
150	"Branchlets puberulous or glabrous"	151
151	"Style absent; stigma large, entire or distinctly divided"	152
151	"Style evident, terete; stigma minute or only slightly wider than style, entire"	154
152	"Pedicels slender, c. 10 mm long; petals dark brown to purple black abaxially"	"Boronia megastigma"
152	"Pedicels thickened towards apex, to 5 mm long; petals green to cream or reddish brown"	153
153	"Leaves 3–5-foliolate, subterete; stigma with 4 lobes"	"Boronia octandra"
153	"Leaflets 3–7-foliolate, flattened but thick; stigma cushion-shaped"	"Boronia crassifolia"
154	"Branches glandular-verrucose; staminal filaments glabrous"	"Boronia inornata"
154	"Branches not glandular-verrucose; staminal filaments pilose or glabrous"	"Boronia oxyantha"
155	"Petals pale yellow-green; style and stigma together massive, club-shaped, c. 4 mm long"	"Boronia clavata"
155	"Petals cream or white to red or reddish brown, or black or yellow or pale greenish yellow; stigma minute to globular; stigma and style together 0.5–3 mm long"	156
156	"Stems glabrous"	"Boronia heterophylla"
156	"Stems puberulous to pilose"	157
157	"Stems pilose"	158
157	"Stems puberulous"	164
158	"Sepals narrowly triangular"	159
158	"Sepals triangular to orbicular"	160
159	"Stamens glabrous; sepals very narrowly triangular, 3–7 mm long, pilose"	"Boronia stricta"
159	"Stamens variously hairy; sepals narrowly triangular, 1–4.5 mm long, puberulous or pilose, sometimes only a few hairs"	"Boronia albiflora"
160	"Antisepalous anthers black and large, 1.5–2 mm long"	"Boronia molloyae"
160	"Antisepalous anthers usually yellow, small, to 1 mm long"	161
161	"Style cylindrical; stigma minute, as wide or slightly wider than style"	"Boronia albiflora"
161	"Style absent or much shorter than stigma; stigma large, cushion-shaped to obovoid"	162
162	"Antisepalous anthers minute, < 0.5 mm long, and terminal to filament; stigma spherical to obovoid, 4-winged"	"Boronia purdieana"
162	"Antisepalous anthers 0.5–1 mm long, subterminal to filament; stigma cushion-shaped, 4-lobed or globular"	163
163	"Inflorescence as long or longer than leaves, not pendulous; pedicels 10–30 mm long; sepals 0.5–1 mm long"	"Boronia gracilipes"
163	"Inflorescence shorter than leaves, sometimes pendulous; pedicel 1–2 mm long; sepals 2–3 mm long"	"Boronia tetrandra"
164	"Branches glandular-verrucose; stigma minute, barely wider than style"	"Boronia coriacea"
164	"Branches not glandular-verrucose or if slightly glandular-verrucose then stigma prominent and globose"	165
165	"Petals chocolate-brown to purple-black abaxially, yellow adaxially; stamens glabrous"	"Boronia megastigma"
165	"Petals white to pink or reddish brown; stamens pilose"	166
166	"Stigma usually shorter and as wide or slightly wider than style, not concealing it"	"Boronia virgata"
166	"Stigma significantly wider and longer than style and often concealing it"	167
167	"Flowers usually pendant; disc and staminal filaments minutely pubescent; style absent"	"Boronia crassifolia"
167	"Flowers usually erect; disc glabrous; staminal filaments variously hairy; style visible"	"Boronia pulchella"
168	"Pedicels glandular-aculeate"	"Boronia dichotoma"
168	"Pedicels smooth"	169
169	"Staminal filaments glabrous"	170
169	"Staminal filaments hairy"	171
170	"Flowers in umbelliform cymes; leaves linear to semiterete, usually caducous; pedicels glabrous or sparsely to densely woolly"	"Boronia juncea"
170	"Flowers in cymes; leaves linear to elliptic or obovate, persistent; pedicels glabrous"	"Boronia denticulata"
171	"Branchlets flattened and sharply 2-angled"	"Boronia anceps"
171	"Branchlets ±terete or 4-angled"	172
172	"Pedicels somewhat woolly"	"Boronia exilis"
172	"Pedicels glabrous"	173
173	"Flowers in umbelliform cymes; pedicels slender or thick, deep red, with or without minute basal bracteoles"	174
173	"Flowers in cymes; pedicels thickened, at least towards apex, green to pale red, with medial bracteoles"	176
174	"Branchlets terete, smooth"	"Boronia fastigiata"
174	"Branchlets 4-ribbed or angled"	175
175	"Branchlet ribs blunt, glandular-undulate"	"Boronia tenuior"
175	"Branchlet ribs sharp and smooth"	"Boronia tetragona"
176	"Leaves mostly longer than internodes; pedicels not glandular-punctate"	"Boronia denticulata"
176	"Leaves mostly shorter than internodes; pedicels glandular-punctate"	"Boronia spathulata"
177	"Inflorescence cymose, 1 (–3)-flowered, peduncle absent"	"Boronia corynophylla"
177	"Inflorescence a pedunculate many-flowered cyme or cymose panicle"	178
178	"Leaves simple"	"Boronia cymosa"
178	"Leaves compound"	"Boronia alata"