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Genus Monotaxis Family Euphorbiaceae

Description: Monoecious herbs or shrubs, usually small and glabrous.

Leaves alternate or opposite, entire, flat or with recurved margins; stipules minute.

Flowers in dense, head-like cymes, axillary or terminal, sessile or shortly pedicellate. Male flowers numerous, females solitary or several together. Flowers small, sepals 4 or 5, petaloid, spreading; petals as many as sepals. Stamens usually twice as many as petals, filaments distinct or shortly united at base. Ovule solitary in each loculus; styles 3, deeply divided into 2 fringed branches.

Capsule globose or 3-angled, separating into three 2-valved segments; seeds ovoid or oblong, smooth, carunculate.


Distribution and occurrence: World: 10 species, endemic Australia. Australia: Qld, N.S.W. & SW W.A.

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

 Key to the species 
1Leaves with petioles usually 3–10 mm long, lamina more than 20 mm long; herb with erect glabrous stemsMonotaxis macrophylla
Leaves sessile or shortly petiolate, lamina less than 20 mm long; subshrub with ascending or diffuse stemsMonotaxis linifolia

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