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FOC | Family List | FOC Vol. 12 | Rhamnaceae | Rhamnella

1. Rhamnella rubrinervis (H. Léveillé) Rehder, J. Arnold Arbor. 15: 12. 1934.

苞叶木 bao ye mu

Embelia rubrinervis H. Léveillé, Repert. Spec. Nov. Regni Veg. 10: 374. 1912; Berchemiella crenulata (Handel-Mazzetti) Hu; Chaydaia crenulata Handel-Mazzetti; C. rubrinervis (H. Léveillé) C. Y. Wu ex Y. L. Chen & P. K. Chou; Rhamnella crenulata (Handel-Mazzetti) T. Yamazaki; R. hainanensis Merrill; R. longifolia H. T. Tsai & K. M. Feng.

Shrubs or small trees, rarely scandent shrubs, evergreen. Young branches pilose; older branches reddish brown or gray-brown, glabrous. Leaves alternate; stipules lanceolate, persistent; petiole 4-10 mm, pilose or subglabrous; leaf blade abaxially dark green, shiny, adaxially pale green, oblong or ovate-oblong, 6-13(-17) × 2-5 cm, leathery or thinly so, abaxially glabrous, adaxially glabrous, or puberulent on veins, lateral veins 5-7 pairs, slightly impressed abaxially, prominent adaxially, sometimes turning pink when dry, base rounded, margin inconspicuously remotely serrate or subentire, apex acuminate to long acuminate. Flowering branches axillary, 6-15 cm, sparsely puberulent. Flowers bisexual, 5-merous, few to 10 in axillary cymes, or subsessile or shortly pedunculate at bracteole leaf of flowering branches; bracteole leaf similar to leaves in vegetative branches, but smaller. Pedicel 2-4 mm, sparsely puberulent. Sepals triangular, adaxially midvein raised, rostellate at lower middle. Petals obovate, shortly clawed. Stamens involute by petals, ca. as long as petals. Disk rounded, thick. Ovary globose, not immersed in disk; styles 2-fid. Drupe purple-red or orange at maturity, ovoid-cylindric, 8-10 mm, 5-6 mm in diam., base with persistent calyx tube; fruiting pedicel 4-5 mm, puberulent or subglabrous, 1-loculed, 1-seeded, developmentally 2-loculed, with developed and undeveloped seeds. Fl. Jul-Sep, fr. Aug-Nov.

Mountain forests and thickets; below 1500 m. Guangdong, Guangxi, Guizhou, Yunnan [Vietnam].


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