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

1. Chaetocarpus castanocarpus (Roxburgh) Thwaites, Enum. Pl. Zeyl. 275. 1861.

刺果树 ci guo shu

Adelia castanocarpa Roxburgh, Fl. Ind., ed. 1832, 3: 848. 1832, ['castanicarpa']; Chaetocarpus pungens Thwaites, nom. illeg. superfl.; Regnaldia cluytioides Baillon; R. myrtioides Baillon.

Trees 5-12 m tall; young branches sparsely puberulent, glabrous at maturity. Stipules obliquely lanceolate, small, caducous; petiole 5-8 mm; leaf blade leathery, ovate-lanceolate or elliptic, 7-15 × 3-5 cm, both surfaces glabrous, reddish brown when dry, glossy, base broadly cuneate or obtuse, margin entire, apex acuminate; lateral veins 6-9, ascending, arcuate, anastomosing before margins. Flowers in axillary glomerules; bracts ovate, ca. 1 mm. Male flowers: pedicels ca. 4.5 mm; sepals 4, oblong, 2-3 mm, exterior puberulent, margins ciliate; stamens 8; filaments ca. 2.5 mm, connate for half length; anthers ca. 1 mm; pistillode 3-fid, yellow pubescent. Female flowers: pedicels ca. 4.5 mm, puberulent; sepals 4, ovate, ca. 3 mm, exterior puberulent, margins ciliate; disk urceolate, margin undulate; ovary subglobose, ca. 2.5 mm, densely pubescent; styles 3, ca. 3 mm, bipartite; stigmas densely fimbriate. Capsule subglobose, 1-1.2 cm in diam., densely tawny bristly, 3-valved. Seeds subovoid, ca. 5 mm, black, smooth; arils fleshy, bifid, ca. 2 mm. Fl. Oct-Dec, fr. following Jan-Mar.

Slopes with evergreen forests, secondary forests; 600-800 m. S Yunnan [Cambodia, India, Indonesia, Laos, Malaysia, Myanmar, Sri Lanka, Thailand, Vietnam].


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