18. Grewia oligandra Pierre, Fl. Forest. Cochinch. t. 163. 1888.
寡蕊扁担杆 gua rui bian dan gan
Shrubs. Old branches dark brown; branchlets stellate tomentose. Stipules subulate, ca. 4 mm, caducous; petiole 5-8 mm; leaf blade lanceolate or oblong-lanceolate, 9-10.5 × 2-3.5 cm, papery, dark brown when dried, abaxially densely softly gray-brown tomentose, adaxially sparsely coarsely shortly stellate hairy, base rounded, margin serrulate, teeth alternately large and small. Cymes 3-5-flowered; peduncle 4-7 mm, tomentose. Pedicel 3-4 mm, tomentose. Bracts 3-4 mm. Sepals 5-6 mm, abaxially tomentose, adaxially glabrous. Petals oblong, 2-3 mm; glands scalelike, enclosed by ring of hairs. Stamens shorter than sepals. Ovary hairy; stigma many-lobed. Drupe 2-4-lobed, lobes globose, ca. 1 cm in diam., glossy. Fl. Aug.
Guangdong, Guangxi, Hainan [Cambodia, Laos, Malaysia, Myanmar, Thailand, Vietnam].
This species is similar to Grewia cuspidatoserrata but differs by its soft gray-brown, not rust-brown, indumentum on the abaxial leaf blade surface and longer cymes: peduncle 4-7 mm, not less than 3 mm.