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FOC | Family List | FOC Vol. 11 | Euphorbiaceae | Croton

18. Croton hancei Bentham, Fl. Hongk. 308. 1861.

香港巴豆 xiang gang ba dou

Shrubs or treelets, ca. 5 m tall; indumentum of appressed stellate hairs; branches glabrous. Leaves clustered at stem apex; petiole 2-5 mm, puberulent; leaf blade oblong-lanceolate, 8-18 × 2-5 cm, papery, both surfaces glabrous, base attenuate to obtuse, base of midrib usually with stalked gland, margins entire or serrulate, apex acuminate. Inflorescence terminal, ca. 3 cm; bracts small. Male flowers many per bract; bud globose, ca. 2 mm in diam.; pedicel short; sepals ovate; petals narrow and small; stamens 16; filaments woolly. Female flowers usually solitary at base of inflorescence; sepals oblong, 4-5 mm; ovary subglobose, densely pubescent; styles 3, connate to below middle, upper part bifid. Fruits not seen. Fl. Jun-Aug.

● Dense forests; 500-600 m. Guangdong, Guangxi.


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