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

20. Croton laniflorus Geiseler, Croton. Monogr. 44. 1807.

疏齿巴豆 shu chi ba dou

Croton lanatus Loureiro, Fl. Cochinch. 2: 581. 1790, not Lamarck (1786); C. lasianthus Persoon, nom. illeg. superfl.; C. limitincola Croizat.

Shrubs ca. 1 m tall; indumentum of scurfy stellate hairs; branches glabrous, but with small convexity after hairs deciduous. Stipules subulate, 2-8 mm; petiole 0.5-4 cm, apex with 2 sessile and cupular glands; leaf blade oblong or elliptic, 10-20 × 3-10 cm, thinly leathery, adaxially glabrous, lower part attenuate to cuneate into obtuse or slightly cordate base, margins sparsely serrulate, usually with glands, apex acuminate or acute; lateral veins 9-11. Inflorescence terminal or axillary, to 7 cm. Male flowers: sepals ovate, ca. 3 × 2.5 mm, with appressed stellate hairs; petals obovate, ca. 2 mm, woolly; stamens 13-15, filaments woolly. Female flowers: sepals lanceolate, ca. 4 × 2 mm, with appressed stellate hairs; petals filamentous or absent; ovary with densely scurfy, appressed stellate hairs; styles entire or bifid. Capsules subglobose, ca. 9 mm in diam., with scurfy stellate hairs. Fl. Sep-Nov, fr. Oct-Dec.

Dense forests; ca. 600 m. Hainan [N Vietnam].


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