1	"Deciduous trees"	Acer
1	"Evergreen trees, shrubs or climbers"	2
2	"Herbaceous vines with tendrils; leaves biternate"	Cardiospermum
2	"Trees or shrubs; tendrils absent; leaves simple, trifoliolate or pinnate"	3
3	"Leaves simple, sometimes deeply lobed"	4
3	"Leaves trifoliolate or pinnate or pinnatifid"	7
4	"Petals present"	5
4	"Petals absent"	6
5	"Petals showy, without scales; flowers irregular; fruit separating into cocci or a capsule, not winged; leaves to 4 cm long, lobed or dentate, rarely entire; low shrubs, usually glandular-hairy"	Diplopeltis
5	"Petals small, usually with scales; flowers regular; fruit separating into winged samaras; leaves 4-17 cm long, entire; tall shrubs or trees with simple hairs"	Atalaya
6	"Sepals united; ovule 1 per locule; fruit of 1 or 2 rounded indehiscent lobes, not winged; aril red, cupular"	Alectryon
6	"Sepals free; ovules 2 per locule; fruit a capsule with 2-4 wings or angles; aril absent or white and funnel-shaped"	Dodonaea
7	"Leaves pinnatifid or deeply divided or lobed"	Diplopeltis
7	"Leaves trifoliolate or pinnate"	8
8	"Indumentum of stellate or tufted hairs, usually mixed with simple hairs"	9
8	"Indumentum if present of simple and/or glandular hairs"	11
9	"Indumentum of fine sessile stellate hairs and coarse stipitate ones; leaves trifoliolate or pinnate; fruit 3-lobed, septifragally dehiscent"	"Cossinia {Cossinia australiana}"
9	"Indumentum of fine sessile stellate hairs; leaves pinnate; fruit hr 2-lobed, loculicidally dehiscent or indehiscent"	10
10	"Fruit indehiscent, mostly 1-lobed; seed 1 per locule; leaflets usually with naked glands on lower surface"	"Dimocarpus {Dimocarpus australianus}"
10	"Fruit 2-lobed, loculicidally dehiscent, 2-valved; seeds 1 or 2 per locule; leaflets without naked glands"	Harpullia
11	"Leaves trifoliolate; sepals and petals 4, in 2 pairs; erect or scrambling shrubs"	"Allophylus {Allophylus cobbe}"
11	"Leaves pinnate; sepals and petals 4 or 5, not in 2 pairs, or petals absent; erect shrubs and trees"	12
12	"Leaves bipinnate"	"Tristiropsis {Tristiropsis canarioides}"
12	"Leaves simply pinnate"	13
13	"Leaves usually imparipinnate; leaflets 1-29 pairs, to 40 mm long, and to 8 mm wide; fruit usually membranous, capsular, septicidal or septifragal; sepals free; petals absent; ovules 2 per locule"	Dodonaea
13	"Leaves usually paripinnate; leaflets 1-19 pairs, usually more than 40 mm long and 8 mm wide; fruit various, either capsular or indehiscent or breaking up irregularly or separating into winged samaras; sepals free or united; petals present or absent; ovules 1 or 2 per locule"	14
14	"Fruit either indehiscent or cells breaking up irregularly or separating into winged samaras; calyx cupular 4-6-toothed or -partite or truncate, or sepals free"	15
14	"Fruit loculicidally dehiscent; calyx cupular and dentate or sepals free and 2-seriate"	19
15	"Fruit separating into samaras with long wings; sepals free, suborbicular; petals usually with scales"	Atalaya
15	"Fruit either indehiscent or breaking up irregularly; sepals free or united; petals if present usually with scales"	16
16	"Ovules 2 per locule; petals absent; calyx cupular, toothed; leaves and branchlets with resinous scales"	"Ganophyllum {Ganophyllum falcatum}"
16	"Ovules 1 per locule; petals usually present; sepals free or united; leaves and branchlets without resinous scales"	17
17	"Petals with well-developed crested scales; disc one-sided; sepals free, suborbicular, concave; fruit 1-4-lobed or not lobed; seeds exarillate; buds globose"	Lepisanthes
17	"Petals with small, crestless scales; disc complete; calyx cupular, truncate, lobes toothed or partite; fruit 1-4-lobed or not lobed; seeds arillate or not; buds ovoid"	18
18	"Fruit not lobed, 2.5-3 cm long; seeds chestnut-like, exarillate; calyx 5-partite; petals present"	"Castanospora {Castanospora alphandi}"
18	"Fruit with 1-4 knob-like or globose lobes, rarely not lobed, less than 1.5 cm long; seeds ellipsoidal with cupular aril; calyx 4-6-toothed or -partite, or truncate; petals present or absent"	Alectryon
19	"Calyx lobes nearly free or sepals free, usually 2-seriate, orbicular, elliptic or obovate, concave"	20
19	"Calyx shortly cupular, the lobes toothed or partite, usually ovate"	26
20	"Petals absent; stamens 5; fruit to 7mm long, not lobed; endocarp hard, bony; leaflets thin, finely reticulate"	Dictyoneura
20	"Petals present; stamens usually 8; fruit 1-5 cm long, rarely smaller, with or without lobes; endocarp not hard; leaflets coriaceous, not finely reticulate"	21
21	"Scales present on petals"	22
21	"Scales absent from petals"	25
22	"Scales usually crested; disc complete or incomplete"	23
22	"Scales not crested; disc complete"	24
23	"Petals 4 or 5, the 5th often reduced; fruit to 7 cm long and 8 cm wide, usually with 1-3 subglobose lobes; aril thick, fleshy, bilobed; leaflets green on lower surface"	Diploglottis
23	"Petals 5, none reduced; fruit to 1.5 cm long and 2.5 cm wide, with 3 wing-like lobes; aril thin, tailed; leaflets usually glaucous below"	Guioa
24	"Sepals not petaloid, usually silky outside; valves of fruit villous inside; aril nearly enclosing seed; leaflets entire, crenate or serrate, drying brownish"	Cupaniopsis
24	"Sepals petaloid on margins, glabrous outside; valves of fruit glabrous inside; aril small; leaflets entire, drying yellow-green"	Rhysotoechia
25	"Sepals petaloid, delicate; petals without basal thickenings; valves of capsule usually drying slightly woody; aril usually covering seed; upper surface of leaflets with appressed glands"	Lepiderema
25	"Sepals petaloid only on margins; petals with thickened margins; valves of fruit drying rind-like, wrinkled; aril small; leaflets usually shining above"	Rhysotoechia
26	"Petals present; scales crested"	27
26	"Petals present or absent; scales not crested"	31
27	"Fruit usually with fleshy wings; valves glabrous inside; aril thin, covering seed"	Sarcopteryx
27	"Fruit usually without wings; valves villous inside; aril small and basal, or mantle-like over seed"	28
28	"Fruit rusty setose; leaflets serrate to entire, pellucid dotted"	29
28	"Fruit glabrous outside, or if hairy then not setose; leaflets usually entire, not pellucid-dotted"	30
29	"Leaflets 3 or 4 pairs, rarely 6, discolorous, whitish below, entire"	"Cnesmocarpon {Cnesmocarpon dasyantha}"
29	"Leaflets 4–13 pairs, not whitish below, serrate, serrulate or entire"	Jagera
30	"Valves usually drying thick and woody, densely villous inside; aril small, disc-like, at base of seed; cymules not in clusters; leaflets usually with domatia"	Toechima
30	"Valves drying thin and wrinkled, sparsely villous inside; aril small, mantle- like, adhering to basal part of seed; cymules usually in clusters; leaflets without domatia"	Synima
31	"Petals present; aril very small, sometimes absent"	32
31	"Petals present or absent; aril usually covering seed"	33
32	"Pericarp thick, drying hard and woody; fruit 3-locular; aril dorsal; inflorescence a raceme or panicle; leaflets usually with domatia"	Elattostachys
32	"Pericarp usually very fleshy, drying thin; fruit 2- or 3-locular; aril at base of seed or absent; inflorescence raceme-like; leaflets without domatia"	Sarcotoechia
33	"Petals minute with one large scale; fruit obovoid, 2-lobed, 2-valved"	"Toechima {Toechima tenax}"
33	"Petals small with 2 small scales or absent; fruit either with 1-3 lobes, the lobes 2-valved, or fruit not lobed, irregularly dehiscent or loculicidally 3-valved"	34
34	"Fruit long-stipitate, not lobed; loculicidally 2-valved; aril with basal spur; petals present or absent"	Mischocarpus
34	"Fruits sessile, rarely stipitate, divaricately 2- or 3-lobed, 1-lobed or not lobed, 2-valved or irregularly dehiscent; aril not spurred; petals usually present"	35
35	"Leaflets 4–8 pairs with minute domatia along midrib; fruit drying black, irregularly lobed or not lobed, usually irregularly dehiscent"	Arytera
35	"Leaflets 1–4 pairs, domatia prominent or absent; fruit divaricately 2- or 3-lobed or 1-lobed, loculicidally dehiscent by valves"	Mischarytera