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FOC | Family List | FOC Vol. 11 | Euphorbiaceae

20. Speranskia Baillon, Étude Euphorb. 388. 1858.

地构叶属 di gou ye shu

Authors: Huaxing Qiu & Michael G. Gilbert

Herbs, monoecious; indumentum of simple hairs. Leaves alternate; stipules small, deciduous; leaf blade simple, venation pinnate. Inflorescences terminal, racemelike thyrses, bisexual, male flowers distal, female flowers proximal; bracts often ovate. Male flowers: sepals 5, valvate, closed in bud; petals 5; disk 5-dissected; stamens 10-15; filaments free; anthers 2-locular; pistillode absent. Female flowers: sepals 5, valvate; petals 5 or absent; disk annular; ovary 3-locular, verrucose, sometimes smooth, pilose; style free, 2-lobed, stigmatic surface plumose-lacerate; ovules 1 per locule. Fruit a capsule, 3-locular. Seeds globose.

● Two species: China.

1 Leaf blade margins usually incised-dentate or lobulate, petiole less than 5 mm; female petals present, ovary and capsule sparsely verrucose.   1 S. tuberculata
+ Leaf blade margins usually coarsely crenate, petiole 10-35 mm; female petals absent, ovary and capsule densely tuberculate.   2 S. cantonensis

Lower Taxa


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