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Genus Pseudanthus Family Picrodendraceae

Description: Small, heath-like shrubs, monoecious.

Leaves alternate or apparently opposite, often crowded, leathery with thickened margin; margin entire (in N.S.W. spp.) or toothed; shortly-petiolate; stipules minute.

Flowers in the upper leaf axils, the males clustered on short peduncles, the females solitary. Perianth segments 6, often larger in the male flowers than in the female. Male flowers with 6 free stamens and a rudimentary ovary. Female flowers with a 3-lobed ovary, mostly 2 ovules per loculus (1 in P. ovalifolius).

Capsule 1-locular, 1-seeded and dehiscing by 6 valves; seed oblong, smooth, carunculate.


Distribution and occurrence: World: 9 species, endemic Australia. Australia: Qld, N.S.W., Vic., Tas., S.A., W.A.

Formerly placed in Euphorbiaceae.

Text by T.A. James & G.J. Harden, Flora of New South Wales Vol. 1 (1990), in Euphorbiaceae; revised May 2017
Taxon concept: Australian Plant Census (accessed May 2017)

 Key to the species 
1Male perianth segments 4–12 mm longPseudanthus pimeleoides
Male perianth segments <5 mm long2
2Ovules 1 per loculusPseudanthus ovalifolius
Ovules 2 per loculus
                       Back to 1
3
3Male perianth segments 2.5–5 mm longPseudanthus pauciflorus
Male perianth segments <2.5 mm long
                       Back to 2
4
4Leaves broadly elliptic to orbicular; margins not conspicuously thickened, greenPseudanthus orbicularis
Leaves ovate to elliptical or oblong to linear; margins conspicuously thickened, whitish
                       Back to 3
5
5Leaves 3 to 9 times as long as broad; stipules glabrous, toothedPseudanthus orientalis
Leaves 2 to 3 times as long as broad; stipules fimbriate, usually without teeth
                       Back to 4
Pseudanthus divaricatissimus

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