1	"Fruit dehiscent"	2
1	"Fruit indehiscent; cotyledons in seed considerably wider than hypocotyl"	24
2	"Staminodes 5, adnate to petals; stamens 5, antisepalous; shrubs; flowers 5-merous; petals to 5 mm long"	"Coleonema: Coleonema pulchellum"
2	"Staminodes absent, rarely present and then antisepalous (Drummondita) or antipetalous and free; stamens 3, 4, 5, 8 or 10 (–25); herbs to large trees; flowers 3, 4 or 5(+)-merous; petals to 30 mm long"	3
3	"Cotyledons in seed considerably wider than hypocotyl; mostly comparatively large-leaved shrubs or trees of rain forest, if non rain forest then flowers 5-merous with 5 stamens (Geijera) and staminodes, if present, antipetalous"	4
3	"Cotyledons in seed linear, c. same width as hypocotyl; mostly small-leaved shrubs of sclerophyllous vegetation; if 5-merous then with 10 stamens, or rarely with 5 stamens and 5 antisepalous staminodes"	9
4	"Flowering material available"	5
4	"Fruiting material available"	7
5	"Petals usually 5"	Geijera
5	"Petals less than 5"	6
6	"Leaves alternate, mostly pinnate or trifoliolate; plants dioecious, usually armed; stamens 4"	"Zanthoxylum: Zanthoxylum rhetsa"
6	"Leaves opposite or whorled, compound or simple; plants monoclinous or dioecious, unarmed; stamens 8 or 4"	"Melicope: Melicope elleryana"
7	"Leaves opposite or whorled; carpels united into a 4-loculed septicidal capsule"	"Melicope: Melicope elleryana"
7	"Leaves alternate; fruit of 1–5 basally connate follicles"	8
8	"Leaves compound or mostly so; plants usually armed"	"Zanthoxylum:Zanthoxylum rhetsa"
8	"Leaves simple; plants unarmed"	Geijera
9	"Leaves opposite, simple or pinnate or bipinnate; flowers 4 (5)-merous"	10
9	"Leaves alternate, simple; flowers usually 5-merous, rarely 4- or 6–8-merous"	11
10	"Leaves simple; calyx hemispherical, sometimes lobed; petals connate and forming a tube or lately separating and then often still connate at base and stamens spreading"	"Correa backhouseana var. coriacea"
10	"Leaves simple or pinnate or bipinnate; sepals distinct; petals distinct, usually spreading, sometimes urceolate; stamens erect or inwardly curved"	Boronia
11	"Leaves lepidote on abaxial surface, sometimes also so on branches, perianth, stamens and ovary"	12
11	"Leaves and stems glabrous or variously hairy but not lepidote (rarely, Asterolasia) stellate-lepidote on petals"	16
12	"Flowers sessile, in dense or compact heads or rarely solitary"	13
12	"Flowers pedicellate, in an open inflorescence or solitary"	14
13	"Carpels 5"	Phebalium
13	"Carpels 2–4"	Microcybe
14	"Inflorescences umbellate or rarely flowers solitary; anthers basifixed, with a prominent apical gland"	Phebalium
14	"Inflorescences cymose or solitary; anthers versatile, without an apical gland"	15
15	"Sepals distinct; anthers retuse at apex"	"Nematolepis: Nematolepis phebalioides"
15	"Sepals connate; anthers obtusely apiculate"	Rhadinothamnus
16	"Leaf margin deeply sinuate or lobed"	"Chorilaena: Chorilaena quercifolia"
16	"Leaf margin entire"	17
17	"Inflorescence heads surrounded by large imbricate involucral bracts in 3 or 4 rows"	Diplolaena
17	"Inflorescence not surrounded by large involucral bracts"	18
18	"Corolla cylindrical"	19
18	"Corolla spreading"	20
19	"Stamens 5, alternating with 5 staminodes, densely hairy on abaxial surface"	Drummondita
19	"Stamens 10, all fertile, pilose at swollen base"	"Muiriantha: Muiriantha hassellii"
20	"Sepals larger than petals, coloured and similar to inflorescence bracts"	Geleznowia
20	"Sepals much smaller than petals, not showy"	21
21	"Staminal filaments glabrous, divergent"	Asterolasia
21	"Staminal filaments variously hairy, rarely glabrous, erect or pyramidally arranged"	22
22	"Anther and apiculum glabrous"	Philotheca
22	"Anther and apiculum pilose"	23
23	"Leaves linear to narrow-oblong, margin recurved when dry; flowers usually pink"	"Crowea angustifolia var. angustifolia"
23	"Leaves elliptic to obovate, flat; flowers usually white"	"Crowea angustifolia var. platyphylla"
24	"Fruit of 1–5 samaras or drupaceous; endocarp cartilaginous or thinly so or woody; seeds with copious endosperm; leaves opposite or alternate"	25
24	"Fruit baccate, endocarp membranaceous or fleshy; seeds without endosperm; leaves alternate"	30
25	"Flowering material available"	26
25	"Fruiting material available"	28
26	"Petals usually 5"	Geijera
26	"Petals less than 5"	27
27	"Leaves alternate, mostly pinnate or trifoliolate; plants dioecious, usually armed; stamens 4"	"Zanthoxylum: Zanthoxylum rhetsa"
27	"Leaves opposite or whorled, compound or simple; plants monoclinous or dioecious, unarmed; stamens 8 or 4"	"Melicope: Melicope elleryana"
28	"Leaves opposite or whorled; carpels united into a 4-loculed septicidal capsule"	"Melicope: Melicope elleryana"
28	"Leaves alternate; fruit of 1–5 basally connate follicles"	29
29	"Leaves compound or mostly so; plants usually armed"	"Zanthoxylum: Zanthoxylum rhetsa"
29	"Leaves simple; plants unarmed"	Geijera
30	"Plants armed"	"Luvunga: Luvunga monophylla"
30	"Plants unarmed"	31
31	"Petals valvate"	"Micromelum: Micromelum minutum"
31	"Petals imbricate"	32
32	"Young shoots densely brownish pubescent"	Glycosmis
32	"Young shoots not so"	"Murraya: Murraya paniculata"