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Genus Beyeria Family Euphorbiaceae

Description: Dioecious or monoecious shrubs or small trees.

Leaves alternate, entire, often viscid, flat or margins recurved, pale or white-tomentose on lower surface; ± sessile; stipules absent.

Flowers axillary, the males often clustered on recurved peduncles; females solitary. Sepals usually 5, broad, often petaloid. Petals sometimes absent. Male flowers with numerous stamens, filaments short, crowded on a hemispherical receptacle. Female flowers with sepals thicker and narrower than in males; ovary 3-lobed; stigma sessile, entire or 2-lobed.

Capsule ovoid, 1–3-seeded, on an erect, angular peduncle widened under fruit; seeds oblong, smooth, shining, carunculate.


Photo © ANBG

Distribution and occurrence: World: 15 species, endemic Australia. Australia: all States.

Text by T. A. James & G. J. Harden
Taxon concept:

 Key to the species 
1Ovaries and fruits densely hairy, non-resinousBeyeria lasiocarpa
Ovaries and fruits glabrous or with a few scattered hairs, usually resinous2
2Abaxial surface of leaf blades densely and minutely tomentose with crispate hairs > 0.1 mm long, never resinous.Beyeria lechenaultii
Abaxial surface of leaf blades glabrous or densely puberulous with hairs <0.1 mm long, often obscured by resinous covering
                       Back to 1
3
3Leaf blades lanceolate; fruits 10–12 mm long.Beyeria lanceolata
Leaf blades narrow-elliptic to elliptic or narrow-obovate; fruits 5–9 mm long.
                       Back to 2
4
4Leaf blades narrow-obovate, 7–20 mm long, < 5 mm wide; ovaries 2-locular.Beyeria opaca
Leaf blades narrow-elliptic to elliptic or narrow-obovate to obovate, 20–90 mm long, 5–30 mm wide; ovaries 3-locular.
                       Back to 3
Beyeria viscosa

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