1	"Leaves ± toothed or margins appearing uneven due to marginal tufts of hairs, secondary veins commonly reaching the margins (rarely looping to the inside) and terminating in minute hair tufts."	2
1	"Leaves entire or rarely slightly crenate, secondary veins either obscure or looping to inside and not reaching the margins."	10
2	"Leaves >5 cm long; flowers in loose elongated panicles, 8–25 cm long."	"Pomaderris aspera"
2	"Leaves <5 cm long; flowers in head-like clusters or short panicles."	3
3	"Leaves regularly <5 mm wide."	"Pomaderris pauciflora"
3	"Leaves generally >5 mm wide."	4
4	"Lower surface of leaves and young stems densely hairy with long brownish simple hairs above a whitish tomentum."	5
4	"Lower surface of leaves and young stems ± less hoary with stellate hairs, rusty, whitish or greenish."	6
5	"Upper surface of leaves with sparse to dense simple hairs."	"Pomaderris eriocephala"
5	"Upper surface of leaves glabrous."	"Pomaderris brunnea"
6	"Upper leaf surface sparsely to densely hairy."	7
6	"Upper leaf surface glabrous or almost so."	9
7	"Leaves stellate-hairy on both surfaces, lower surface greenish, epidermis visible between the stellate hairs."	"Pomaderris aspera x cinerea"
7	"Leaves with simple hairs on upper surface, lower surface closely tomentose, whitish to rusty-coloured, epidermis not visible between hairs."	8
8	"Flowers shortly pedicellate in short panicles, bracts falling early; stigma divided almost to base."	"Pomaderris prunifolia"
8	"Flowers sessile in dense head-like clusters surrounded by bracts, bracts persistent until flowers open; stigma divided to about midway."	"Pomaderris betulina"
9	"Leaves elliptic to obovate, 15–40 mm long, 8–22 mm wide, margins without a whitish border; hypanthium, sepals and capsule with long simple hairs over a short whitish tomentum; chiefly on the coast and ranges, west to Burrinjuck (SWS)."	"Pomaderris betulina"
9	"Leaves ovate to broad-elliptic, usually 10–20 mm long, 5–15 mm wide, margins often with a narrow whitish border; hypanthium, sepals and capsule with only short stellate hairs; doubtfully in far western N.S.W. (FWP)."	"Pomaderris paniculosa"
10	"Upper surface of leaves hairy (at least when young)."	11
10	"Upper surface of leaves glabrous, sometimes a few hairs along veins."	38
11	"Leaves ± narrow-oblong to linear, lamina usually <6 mm wide and mostly <20 mm long; flowers in short axillary cymes forming narrow terminal leafy panicles."	12
11	"Leaves broader, lanceolate to ± circular, leaves usually >5 mm wide and mostly >20 mm long (or if <20 mm long then lamina ± circular to broad-ovate or elliptic); flowers in terminal generally leafless panicles, often corymbose or in dense head-like clusters."	18
12	"Leaves <1.5 mm wide, ± terete, margins strongly revolute, lower surface of lamina not visible."	"Pomaderris phylicifolia"
12	"Leaves >1.5 mm wide, ± flat, margins recurved but at least part of lower surface of lamina visible."	13
13	"Secondary veins not apparent on either surface, lamina usually <3 mm wide; capsule glabrous or hairy."	14
13	"Secondary veins visible on both surfaces of leaves or rarely only apparent on lower surface; lamina mostly >3 mm wide; capsule hairy."	16
14	"Capsule and ovary hairy, acute, immersed for about a third of its length in the tomentose hypanthium."	"Pomaderris phylicifolia"
14	"Capsule and ovary glabrous, capsule almost entirely exserted from shortly tomentose hypanthium."	15
15	"Upper surface of leaves bristly with scattered stellate hairs; leaves ± narrow-oblong, margins recurved."	"Pomaderris angustifolia"
15	"Upper surface of leaves bristly with scattered simple hairs; leaves narrow-elliptic to oblanceolate, ± flat."	"Pomaderris helianthemifolia"
16	"Upper surface of leaves velvety with a covering of minute stellate hairs."	"Pomaderris pallida"
16	"Upper surface of leaves bristly with scattered simple hairs, sometimes hairs clustered."	17
17	"Leaves with margins ± crenate, primary and secondary veins conspicuously impressed on upper surface."	"Pomaderris pauciflora"
17	"Leaves with margins entire, usually only primary vein impressed on upper surface."	"Pomaderris phylicifolia"
18	"Leaves mostly <8 mm long and <6 mm wide; lower surface of leaves and branchlets coarsely stellate-hairy."	"Pomaderris elachophylla"
18	"Leaves mostly >10 mm long and >6 mm wide, if smaller then lower surface of leaves and branchlets finely stellate-hairy."	19
19	"Leaves rusty-hairy on lower surface at least along the secondary veins, young stems and leaves usually densely rusty-hairy with long rusty hairs."	20
19	"Mature leaves not rusty on lower surface; young stems and leaves not or rarely rusty, if rusty then long spreading rusty hairs absent."	34
20	"Flowers 3–5 mm long; petals present; leaves often >30 mm long."	21
20	"Flowers 2–2.5 mm long, in head-like clusters or short panicles; petals present or absent; leaves mostly <30 mm long."	22
21	"Upper surface of leaves with sparse to moderately dense simple hairs, often ± bristly; secondary and usually tertiary veins distinct on lower surface of lamina; lamina lanceolate to ovate, sometimes elliptic, apex ± acute to rounded."	"Pomaderris lanigera"
21	"Upper surface of leaves with short dense simple hairs, velvety; only secondary veins distinct on lower surface; lamina ± oblong to circular, apex obtuse to emarginate."	"Pomaderris vellea"
22	"Secondary veins commonly terminating in minute hair tufts, margins ± crenate to toothed, upper leaf surface ± scabrous, hairs sparse; petals absent (return to couplet 3)."	23
22	"Secondary veins looping to inside of margins, margins entire, upper leaf surface ± velvety, hairs dense; petals generally present (mostly absent in <i>P. cocoparrana</i>)."	31
23	"Leaves >5 cm long; flowers in loose elongated panicles, 8–25 cm long."	"Pomaderris aspera"
23	"Leaves <5 cm long; flowers in head-like clusters or short panicles."	24
24	"Leaves regularly <5 mm wide."	"Pomaderris pauciflora"
24	"Leaves generally >5 mm wide."	25
25	"Lower surface of leaves and young stems densely hairy with long brownish simple hairs above a whitish tomentum."	26
25	"Lower surface of leaves and young stems ± less hoary with stellate hairs, rusty, whitish or greenish."	27
26	"Upper surface of leaves with sparse to dense simple hairs."	"Pomaderris eriocephala"
26	"Upper surface of leaves glabrous."	"Pomaderris brunnea"
27	"Upper leaf surface sparsely to densely hairy."	28
27	"Upper leaf surface glabrous or almost so."	30
28	"Leaves stellate-hairy on both surfaces, lower surface greenish, epidermis visible between the stellate hairs."	"Pomaderris aspera x cinerea"
28	"Leaves with simple hairs on upper surface, lower surface closely tomentose, whitish to rusty-coloured, epidermis not visible between hairs."	29
29	"Flowers shortly pedicellate in short panicles, bracts falling early; stigma divided almost to base."	"Pomaderris prunifolia"
29	"Flowers sessile in dense head-like clusters surrounded by bracts, bracts persistent until flowers open; stigma divided to about midway."	"Pomaderris betulina"
30	"Leaves elliptic to obovate, 15–40 mm long, 8–22 mm wide, margins without a whitish border; hypanthium, sepals and capsule with long simple hairs over a short whitish tomentum; chiefly on the coast and ranges, west to Burrinjuck (SWS)."	"Pomaderris betulina"
30	"Leaves ovate to broad-elliptic, usually 10–20 mm long, 5–15 mm wide, margins often with a narrow whitish border; hypanthium, sepals and capsule with only short stellate hairs; doubtfully in far western N.S.W. (FWP)."	"Pomaderris paniculosa"
31	"Flowers ± sessile in relatively compact clusters, bracts usually persistent until fruit formed."	"Pomaderris subcapitata"
31	"Flowers pedicellate in loose panicles, bracts falling before flowers open."	32
32	"Leaves oblong to ± elliptic, upper surface dull grey-green; petals usually present; species of the coast and ranges."	"Pomaderris velutina"
32	"Leaves ovate to ± less circular, upper surface ± shining dark green; petals usually absent; western species."	33
33	"Hairs on upper surface of leaves sparse, simple; hairs on young stems and lower surface of leaves stellate; coast and ranges."	"Pomaderris cocoparrana"
33	"Hairs on upper surface of leaves dense (but very short), simple; hairs on young stems and leaf lower surface mostly simple; inland species."	"Pomaderris cotoneaster"
34	"Upper surface of leaves ± bristly, not velvety, hairs scattered to very sparse."	"Pomaderris cotoneaster"
34	"Upper surface of leaves with a dense very fine soft pubescence, ± velvety, sometimes hairs very sparse."	35
35	"Leaves usually <15 mm long; obovate to ± circular; 0.6–2 cm long, 5–14 mm wide."	"Pomaderris brogoensis"
35	"Leaves usually >15 mm long; ovate, elliptic to broad-ovate, 1–5 cm long, 8–20 mm wide."	36
36	"Leaves greyish on upper surface; coastal ranges of the south coast: SC, ST."	"Pomaderris cinerea"
36	"Leaves green on upper surface; inland ranges and upper Hunter Valley: CWS, NC, CC."	37
37	"Petals absent; chiefly in and near the Rylstone-Bylong area, also gorges near Hillgrove."	"Pomaderris precaria"
37	"Petals present; confined to the Denman area."	"Pomaderris reperta"
38	"Most leaves small, either <10 mm wide or mostly <30 mm long."	39
38	"Most leaves larger, >10 mm wide and mostly >25 mm long (leaves associated with inflorescences often smaller)."	56
39	"Secondary veins obscure on lower surface; leaves <4 mm wide, generally 10–15 mm long."	40
39	"Secondary veins distinct on lower surface; leaves usually >4 mm wide and 10–30 mm long."	42
40	"Petals present; stems and lower leaf surface with short whitish hairs, margins thickened but not always recurved."	"Pomaderris ledifolia"
40	"Petals absent; stems and lower surface of leaves with long fawnish to golden-brown hairs, margins prominently recurved."	41
41	"Hairs on new growth and lower surface of leaves short and appressed, shining golden-brown."	"Pomaderris sericea"
41	"Hairs on new growth and lower surface of leaves long and spreading, fawnish above a short whitish tomentum."	"Pomaderris mediora"
42	"Leaves with secondary veins looping and not reaching the margins, margins entire and without hair tufts."	43
42	"Leaves with secondary veins reaching the margins (rarely looping to inside) and commonly terminating in minute hair tufts, margins ± crenate (return to couplet 3)."	48
43	"Species growing south from Sydney."	44
43	"Species growing north from the upper Hunter Valley."	47
44	"Lower surface of leaves appearing silky, with a short greyish tomentum and longer forwardly appressed rusty hairs; upper surface of leaves often wrinkled; secondary veins usually >6 pairs."	"Pomaderris andromedifolia"
44	"Lower surface of leaves not appearing silky, with a short greyish tomentum, all hairs ± the same length; upper surface of leaves smooth; secondary veins 3–6 pairs."	45
45	"Petals absent; species confined to the escarpment ranges inland from Moruya (SC)."	"Pomaderris gilmourii"
45	"Petals present on most flowers (but sometimes fewer than 5); confined to Sublime Point (CC) and Bungonia-Goulburn area (ST)."	46
46	"Flowers cream; leaves 3–8 mm wide, confined to Sublime Point (CC)."	"Pomaderris adnata"
46	"Flowers golden-yellow; leaves 5–15 mm wide; restricted to the Bungonia-Goulburn area (ST)."	"Pomaderris delicata"
47	"Sepals 1.5–2 mm long; petals absent; chiefly from Guyra district to Gibraltar Range National Park."	"Pomaderris ligustrina"
47	"Sepals 2–2.5 mm long; petals usually present; mostly north from Gibraltar Range National Park, also near Wingen, Hillgrove and Inverell."	"Pomaderris graniticola"
48	"Leaves >5 cm long; flowers in loose elongated panicles, 8–25 cm long."	"Pomaderris aspera"
48	"Leaves <5 cm long; flowers in head-like clusters or short panicles."	49
49	"Leaves regularly <5 mm wide."	"Pomaderris pauciflora"
49	"Leaves generally >5 mm wide."	50
50	"Lower surface of leaves and young stems densely hairy with long brownish simple hairs above a whitish tomentum."	51
50	"Lower surface of leaves and young stems ± less hoary with stellate hairs, rusty, whitish or greenish."	52
51	"Upper surface of leaves with sparse to dense simple hairs."	"Pomaderris eriocephala"
51	"Upper surface of leaves glabrous."	"Pomaderris brunnea"
52	"Upper leaf surface sparsely to densely hairy."	53
52	"Upper leaf surface glabrous or almost so."	55
53	"Leaves stellate-hairy on both surfaces, lower surface greenish, epidermis visible between the stellate hairs."	"Pomaderris aspera x cinerea"
53	"Leaves with simple hairs on upper surface, lower surface closely tomentose, whitish to rusty-coloured, epidermis not visible between hairs."	54
54	"Flowers shortly pedicellate in short panicles, bracts falling early; stigma divided almost to base."	"Pomaderris prunifolia"
54	"Flowers sessile in dense head-like clusters surrounded by bracts, bracts persistent until flowers open; stigma divided to about midway."	"Pomaderris betulina"
55	"Leaves elliptic to obovate, 15–40 mm long, 8–22 mm wide, margins without a whitish border; hypanthium, sepals and capsule with long simple hairs over a short whitish tomentum; chiefly on the coast and ranges, west to Burrinjuck (SWS)."	"Pomaderris betulina"
55	"Leaves ovate to broad-elliptic, usually 10–20 mm long, 5–15 mm wide, margins often with a narrow whitish border; hypanthium, sepals and capsule with only short stellate hairs; doubtfully in far western N.S.W. (FWP)."	"Pomaderris paniculosa"
56	"Lower surface of leaves silvery- or rusty-hairy; secondary veins regularly arranged, tertiary veins sometimes obscure; flowers mostly pale when fresh, cream to whitish."	57
56	"Lower surface of leaves dull greyish to whitish hairy, rarely with rusty hairs on midvein; secondary veins not regularly arranged, tertiary veins usually distinct on lower surface; flowers cream to yellow."	66
57	"Lower surface of mature leaves silvery or whitish (rarely rusty) with a dense covering of hairs of similar length (veins, margins and petioles sometimes rusty), new growth and young stems with ± short dense coppery to reddish hairs; tertiary veins usually not apparent."	58
57	"Lower surface of leaves ± rusty with loose simple rusty hairs longer than the paler short tomentum, especially rusty along veins; new growth and young stems with long spreading rusty hairs; tertiary veins obscure or apparent."	63
58	"North from Barrington Tops; petals usually present, falling early."	59
58	"South of Barrington Tops, chiefly on the SC and ST; petals absent or present."	60
59	"Lower surface of leaves not silky, tomentum of short curly hairs and sometimes with longer straight hairs; leaves mostly >5 cm long; sepals 1.3–2.5 mm long."	"Pomaderris argyrophylla"
59	"Lower surface of leaves silky with hairs lying in the same direction; leaves generally <5 cm long; sepals 2–2.5 mm long."	"Pomaderris nitidula"
60	"Petals present; sepals 2.5–3 mm long."	"Pomaderris parrisiae"
60	"Petals absent; sepals 1.5–2.2 mm long."	61
61	"Leaves lanceolate to oblong, >3 times as long as wide; hairs on new growth coppery-coloured to crimson; secondary veins on lower surface of leaves visible but immersed within hair layer."	"Pomaderris virgata"
61	"Leaves ovate to broad-ovate or elliptic, <3 times as long as wide; hairs on new growth fawn to golden; secondary veins on lower surface of leaves protruding above hair layer between veins."	62
62	"Leaves with >6 pairs of secondary veins; simple hairs on young growth very dense, <0.4 mm long, forming an even, distinctly rusty layer."	"Pomaderris costata"
62	"Leaves with 4–6 pairs of secondary veins; simple hairs on young growth thread-like, the longest >0.5 mm, forming a sparse, uneven layer over the short grey stellate tomentum."	"Pomaderris bodalla"
63	"Leaves either usually <15 mm wide or <3 cm long; lower surface with longer forwardly appressed hairs, hairs usually obscuring tertiary veins; either petals auriculate and margins toothed or petals absent."	64
63	"Leaves usually >15 mm wide and >3 cm long; lower surface with longer curly rusty hairs above whitish tomentum, tertiary veins generally apparent; petals usually present, entire and narrow or petals absent."	65
64	"Petals auriculate, margins toothed; lower surface of leaves pale, sometimes rusty, with secondary veins distinct."	"Pomaderris andromedifolia"
64	"Petals absent; lower surface of leaves generally rusty with secondary veins often obscure."	"Pomaderris ligustrina"
65	"Simple hairs on lower surface of leaves and young stems appressed to spreading, straight or curved but not flexuous; leaves with apex acute to obtuse; widespread south of Stroud."	"Pomaderris ferruginea"
65	"Simple hairs on lower surface of leaves and young stems spreading, flexuous, rusty, very dense, appearing woolly; leaves with apex obtuse; north of Gloucester district (NC)."	"Pomaderris crassifolia"
66	"Stems and at least main veins on lower surface of leaves with scattered long hairs over short whitish tomentum."	67
66	"Branches and lower surface of leaves, including veins, covered with short tomentum, longer simple hairs ± absent."	70
67	"Petals present, auriculate."	"Pomaderris intermedia"
67	"Petals usually absent, if present then not auriculate."	68
68	"Long hairs scattered over lower leaf surface as well as veins; margins not recurved."	"Pomaderris queenslandica"
68	"Long hairs usually confined to main veins on lower leaf surface; margins recurved or not recurved."	69
69	"Leaf margins recurved; leaves pointed at apex; simple hairs on lower surface pale."	"Pomaderris discolor"
69	"Leaf margins not recurved; leaves obtuse; simple hairs on lower surface rusty."	"Pomaderris pilifera"
70	"Petals absent; rare species, north from Mt Warning."	"Pomaderris notata"
70	"Petals present, ± auriculate; widespread species, south of Taree"	"Pomaderris elliptica"