1	"Lianes or scandent shrubs"	2
1	"Non-scandent shrubs or trees"	8
2	"Climbing by recurved thorns; fruit a drupe"	3
2	"Without recurved thorns; fruit drupaceous or dry"	4
3	"Thorns stipular; leaves obliquely obtuse, triplinerved"	Ziziphus
3	"Thorns ramal; leaves symmetrically cuneate, penninerved"	Sageretia
4	"Leaves ovate-cordate"	5
4	"Leaves ovate to elliptic, cuneate"	6
5	"Fruit a 3-winged schizocarp; leaves and stems pubescent"	Gouania
5	"Fruit a globular capsule; leaves and stems almost glabrous"	Colubrina
6	"Style flattened, accrescent, sparsely to densely pubescent; fruit a samara"	Ventilago
6	"Style terete, not accrescent, glabrous; fruit a drupe"	7
7	"Carpels 2; drupe narrow-ellipsoid"	Rhamnella
7	"Carpels 3-4; drupe obovate-globular"	Rhamnus
8	"Leaves (or cladodes) opposite"	9
8	"Leaves alternate"	10
9	"Spiny, often leafless shrub; flowers in axillary clusters; bracts small"	Discaria
9	"Leafy shrub; flowers in pendent, terminal heads surrounded by an involucre of large coloured bracts"	Siegfriedia
10	"Leaves more than 30 mm long, glabrous or almost so beneath or, if hairy, then fruit a drupe"	11
10	"Leaves usually less than 30 mm long, if longer then densely simple-or stellate-pubescent at least below; fruit a capsule"	17
11	"Leaves triplinerved, oblique"	Ziziphus
11	"Leaves penninerved, symmetric"	12
12	"Leaves linear to narrowly ovate; fruit a samara"	Ventilago
12	"Leaves ovate to elliptic; fruit a capsule or drupe"	13
13	"Disc margin pilose with long, flexuose hairs; fruits borne on fleshy, thickened infructescence axes"	Hovenia
13	"Disc glabrous; infructescence axes not thickened"	14
14	"Rainforest trees"	15
14	"Temperate introduced shrubs"	16
15	"Disc lining the hypanthium; seed red to orange, persistent on the pedicel after the capsule walls have fallen away"	Emmenosperma
15	"Disc a narrow rim around the ovary; seed pale grey, not persistent on the pedicel"	Schistocarpaea
16	"Flowers monoecious, in short, stout, axillary racemes"	Rhamnus
16	"Flowers bisexual, in open cymose panicles"	Noltea
17	"Flowers without a tube; sepals wide-spreading at anthesis"	18
17	"Flowers with a distinct (though sometimes very short) tube; if apparently without a tube then sepals incurved to erect at anthesis"	21
18	"Disc prominent, smooth, filling the hypanthium"	19
18	"Disc obscure or, if prominent, then not entirely filling the hypanthium"	20
19	"Trees, non-spinescent; leaves more than 50 mm long"	Alphitonia
19	"Low, spinescent shrub; leaves less than 15 mm long"	Granitites
20	"Pyrenes indehiscent; stamens incurved, enclosed at first by the hooded petals"	Trymalium
20	"Pyrenes dehiscent (usually by a window on the inner face); stamens +/-straight, not hooded by the petals"	Pomaderris
21	"Disc hairy"	Cryptandra
21	"Disc glabrous"	22
22	"Flowers in dense heads subtended by broad, persistent, prominent bracts, often with whitish floral leaves"	23
22	"Flowers not in dense heads; bracts small, persistent or scarious; floral leaves absent"	24
23	"Disc prominent, at the summit of the hypanthium tube, indented adjacent to the stamens; pyrenes indehiscent, usually thin-walled"	Spyridium
23	"Disc often obscure, lining the hypanthium tube and confluent with the staminal filaments; pyrenes dehiscent"	Stenanthemum
24	"Flowers long-pedicellate, quite glabrous"	25
24	"Flowers short-pedicellate or sessile, pubescent or pilose"	26
25	"Style distinctly papillose in middle portion"	Papistylus
25	"Style not distinctly papillose in middle portion"	Blackallia
26	"Disc at the summit of the hypanthium tube; pyrenes indehiscent, usually thin-walled"	Spyridium
26	"Disc forming a ring around the ovary at the base of the hypanthium tube; pyrenes dehiscent"	27
27	"Flowers and leaves densely stellate-hairy"	Polianthion
27	"Flowers and leaves simple-pubescent or pilose"	Serichonus