Vasilis Teodoridis:
Euphorbiaceae | Koilodepas
1. Koilodepas hainanense (Merrill) Airy Shaw; Kew Bull. 14: 384. 1960.
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Calpigyne hainanensis Merrill; J. Arnold Arbor. 6: 135. 1925; Koilodepas hainanense (Merrill) Croizat.
Trees or shrubs; 3-15 m tall; monoecious. Branchlets gray-yellowish stellate-tomentose. Stipules lanceolate; 5-7 mm; petiole 5-10 mm; tomentose; leaf blade elliptic or elliptic-lanceolate; 8-32 x 2-8.5 cm; thickly papery or thinly leathery; glabrous; drying dull brown; base broadly cuneate; obtuse; or slightly cordate; margin crenate-serrulate or crenate; apex acuminate. Inflorescence 4-10 cm; axis slender; tomentose; bracts broadly ovate; 1.5-2.5 mm; male glomerules well spaced; 5-11-flowered; female flowers 1-3; at base; sometimes absent. Male flowers: calyx 3- or 4-lobed; ca. 1 mm; stellate-pubescent; stamens 3-5; filaments short; base connate; pistillode globose; small. Female flowers: calyx 5- or 6-lobed; 3-4 mm; cup-shaped; lobes lanceolate or subovate; tomentose; ovary turbi-nate; tomentose; styles ca. 2.5 mm; upper part spreading; flattened; shortly 5-lobed; plumose. Fruiting pedicel 3-4 mm; tomentose; persistent calyx membranous; ca. 1.7 cm in diam.; lobes unequal; sparsely stellate-pubescent; capsule subglobose; brownish; tomentose; ca. 1.7 cm in diam. Seeds subglobose; ca. 8 mm in diam.; brown marbled. Fl. Mar-Apr; fr. Apr-May.
Mountain slopes or valleys; forests; thickets; sometimes limestone hills; below 100-400 m. Hainan [N Vietnam].
The inclusion by Croizat of Nephrostylus poilanei Gagnepain within his concept of Koilodepas hainanense is not accepted.