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<big>''[[Crotonogyne preussii]]'' Pax</big>

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{{DISPLAYTITLE:''Crotonogyne preussii'' (PROTA)}}

:Protologue: Bot. Jahrb. Syst. 23: 524 (1897).

:Family: Euphorbiaceae

== Origin and geographic distribution ==

In eastern Cameroon an infusion of the aerial parts is taken to treat diarrhoea.

Dioecious shrub or small tree up to 8 m tall; young branches with stellate and scaly hairs. Leaves alternate, crowded at apex of branches, simple and entire; stipules small, persistent; petiole up to 2 cm long; blade linear to oblanceolate, up to 55 cm × 13 cm, base cordate-auricled, with 2 large glands, apex acuminate, pinnately veined. Male inflorescence a sessile, erect, axillary raceme up to 60 cm long, many-flowered; female inflorescence a few-flowered fascicle. Flowers unisexual, greenish yellow or white; male flowers with pedicel longer than calyx, calyx split irregularly into 2–3 lobes, covered with scaly hairs, petals c. 5, free, stamens 7–19, free; female flowers larger than male ones, pedicel stout, sepals 5, petals 5, ovary superior, 3-celled, styles 3, free, each divided into 3–8 filiform threads. Fruit a 3-lobed capsule c. 1 cm in diameter, 3-seeded. Seeds ovoid, c. 8 mm long, brown.

''Crotonogyne'' comprises 16 species and occurs in the forest zone from Liberia to DR Congo. According to the Ebrié people of Côte d’Ivoire, all parts of ''Crotonogyne strigosa'' Prain are very poisonous, and there is no antidote against it.

== Author(s) ==

== Correct citation of this article ==

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