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Pakistan | Family List | Euphorbiaceae

13. Trewia L., Sp. Pl. 1193. 1753. [Trevia]; Gen. Pl., ed. 5: 500. 1754; Muell. Arg. in DC., Prodr. 15(2): 953. 1866; Benth. & Hook. f., Gen. P1. 3(1): 318. 1880; Hook. f., Fl. Brit. Ind. 5: 423. 1887; Pax in Engl. Pflanzenreich 4. 147.7: 140. 1914.


Dioecious deciduous trees. Indumentum stellate. Leaves opposite, petiolate, stipulate, simple, entire, palminerved, often with 1-2 glands near the base of the blade. Stipules soon falling. Inflorescences axillary, racemose, the ♂’s longer than the ♀’s; ♂ bracts 3-flowered; ♀ inflorescences 1-several-flowered; ♂ bracts 1-flowered. Flowers appearing before the leaves. Male flowers: buds globose, later splitting into 3-5 valvate lobes which often become reflexed; petals 0; disc 0; stamens 70-100, arising from a convex receptacle, filaments free, anthers dorsifixed, oblong, longitudinally dehiscent; pistillode 0. Female flowers: sepals 3-5, slightly imbricate, soon caducous; petals 0; disc 0; ovary 2-5-celled, with 1 ovule per cell; styles 2-5, connate at the base, elongate, undivided, papillose. Fruit 2-5-locular, drupaceous or loculicidally dehiscent. Seeds ovoid, smooth, ecarunculate but with a sarcotesta; endotesta. hard; albumen fleshy; cotyledons broad and flat.

A genus of 2 species (Hooker; Pax thinks only 1) from India to the Philippines and Java. The more widespread of the two cultivated in Pakistan.

Lower Taxon


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