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

1. Margaritaria indica (Dalzell) Airy Shaw, Kew Bull. 20: 387. 1966.

蓝子木 lan zi mu

Prosorus indicus Dalzell, Hooker’s J. Bot. Kew Gard. Misc. 4: 346. 1852; Calococcus sundaicus Kurz; Cicca sinica Baillon; Glochidion longipedicellatum Yamamoto; Phyllanthus indicus (Dalzell) Müller Argoviensis; P. sinicus (Baillon) Müller Argoviensis.

Large, glabrous trees up to 25 m tall; branches terete, brownish, lenticellate. Stipules triangular-lanceolate, ca. 3 mm, caducous; petiole 4-10 mm, channeled adaxially; leaf blade thinly papery, elliptic, elliptic-ovate, or oblong-lanceolate, apex acute, obtuse, or rounded, usually pale gray abaxially; lateral veins 8-12 pairs, elevated beneath. Male flowers axillary, several in clusters; pedicels 4-6 mm; sepals spreading, outer ovate, 1-1.5 × 0.6-1 mm, inner obovate, 1.3-1.8 × 1-1.5 mm; disk annular, 0.6-1.5 mm wide, adnate at base of sepals, smooth; stamens free; filaments 0.7-1.5 mm; anthers ellipsoid or oblong, 0.6-0.9 mm. Female flowers 1-3, axillary; pedicels 8-21 mm, slender; sepals ovate to oblong, 1.5-2 mm, entire; disk annular, 1.8-2.8 mm wide, entire; ovary 3- or 4-celled, ovoid; ovules 2 in each cell; styles 3, free or connate at base, spreading, 1.5-2 mm, bifid at apex. Capsules subglobose or depressed globose, 3-furrowed, 7-12 mm in diam., at maturity dehiscent into 3 2-valved cocci or breaking up irregularly into cocci when dry, endococci papery. Seeds flabellate-trigonous, 3.5-6 × 2.7-6 mm, with thickened, blue or bluish, shiny testa; endotesta rugose or furrowed on back. Fl. May-Aug, fr. Aug-Dec.

Broad-leaved woodlands; ca. 400 m. SW Guangxi (Longzhou), Taiwan (Gaoxiong, Pingdong, Yilan) [India, Indonesia, Malaysia, Myanmar, Philippines, Sri Lanka, Thailand, Vietnam; Australia].


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