光叶鹅掌柴 guang ye e zhang chai

Schefflera impressa (C. B. Clarke) Harms var. glabrescens C. J. Tseng & G. Hoo, Acta Phytotax. Sin., Addit. 1: 138. 1965.

Trees, to ca. 10 m tall, andromonoecious. Petiole (3-)10-17 cm; petiolules 0.6-1.8 cm; leaflets (3 or 5 or)7 or 9, narrowly obovate, (7-)9-17 × 3-5.5 cm, leathery, both surfaces glabrous, secondary veins 6-10 pairs, tertiary veins visible on both surfaces, raised abaxially, distinctly impressed adaxially in dry material, base narrowly acute-cuneate, margin entire or with few widely spaced teeth apically, minutely revolute, apex acuminate. Inflorescence a terminal panicle of umbels, densely light brown stellate pubescent; primary axis to 25-40 cm, secondary axes to 18 cm, shorter apically, with a terminal umbel of bisexual flowers and several lateral umbels of male flowers; pedicels 7-16 mm (those of male flowers ca. 5 mm). Calyx a minute rim, entire. Ovary 5-carpellate; styles united into a column. Fruit globose to slightly obovoid, 4.5-5 mm in diam., strongly 5-ribbed when dry, sparsely stellate, densely so just below calyx; styles persistent, 0.7-2.5 mm. Fl. Sep-Oct, fr. Sep-Nov.

Evergreen broad-leaved forests; 2500-3200 m. SE Xizang, NW Yunnan [N Myanmar].