Memecylon polyanthum H. L. Li

Shrubs or trees, 1-8 m tall, many-branched. Branches terete or sometimes 4-sided, glabrous. Petiole 3-5 mm, glabrous; leaf blade ovate, ovate-lanceolate, or elliptic, 5.5-8 × 2-2.5 cm, leathery, both surfaces scabrous, base cuneate, margin entire, apex acuminate to caudate-acuminate. Inflorescences axillary or inserted on leaf axil of leafless branches, umbellate, forming a very dense spheroid clump of flowers, ca. 1 cm; peduncle very short; bracts lanceolate, ca. 0.5 mm. Pedicel ca. 1.5 mm, glabrous. Hypanthium subfunnel-shaped, ca. 2 mm, glabrous. Calyx lobes 4, repand. Petals purplish red or white, tinged yellowish green, broadly ovate, ca. 2 × 2 mm, apex acute. Stamens ca. 3 mm; filaments ca. 2.5 mm; anthers and conic connectives ca. 1 mm, with a small concave abaxial gland. Ovary cup-shaped, glabrous. Fruit a baccate drupe, globular, ca. 6 × 5-6 mm, glabrous, apex with a ring. Fl. Aug-Oct, fr. Mar-May.

Yunnan (Jinghong).

● Dense forests, mountain slopes, valleys, trailsides, streamsides, shaded damp places; 600-1000 m.

Memecylon polyanthum là một loài thực vật có hoa trong họ Mua. Loài này được H.L. Li mô tả khoa học đầu tiên năm 1944.

滇谷木（学名：Memecylon polyanthum）为野牡丹科谷木属下的一个种。