光叶扁担杆 guang ye bian dan gan

Grewia didyma Roxburgh ex G. Don; G. disperma Rottler ex Sprengel; G. glabra Blume; G. jinghongensis Y. Y. Qian; G. serrulata Candolle.

Shrubs and small trees. Branchlets sparsely stellate, glabrescent. Stipule filiform, 1-1.5 × ca. 0.1 cm, caducous; petiole 6-8 mm, tomentose; leaf blade oblong-lanceolate, 7-17 × 2.5-4.5 cm, papery, glabrous or very sparsely hairy adaxially, hairs simple and stellate, in vein axils, lateral basal veins to 1/2 as long as leaf blade, lateral veins 5-6 pairs, base cuneate or broadly cuneate, margin serrulate, apex long acuminate. Cymes 2-3 in axils, 3-flowered; peduncle slender, 1.2-2.5 cm. Pedicel 1-1.2 cm, sparsely stellate. Bracts subulate, ca. 4 mm. Sepals ca. 1.3 × 0.3-0.5 cm, densely yellow-brown pubescent abaxially. Petals ca. 3 mm. Androgynophore 2-4 mm. Drupe 4-lobed, glabrous; exocarp not separating. Fl. Jul-Sep, fr. Oct.

S Yunnan [India, Indonesia, Malaysia, Myanmar, Nepal, Pakistan; Australia].

This species has been confused with Grewia laevigata Vahl (see Chung, Edinburgh J. Bot. 62: 1-27. 2005).