云雾算盘子 yun wu suan pan zi

Diasperus nubigenus (J. D. Hooker) Kuntze; Glochidion velutinum Wight var. nubigenum (J. D. Hooker) Chakrabarty & M. Gangopadhyay; G. metanubigenum Hurusawa & Yu. Tanaka.

Trees to 10 m tall, monoecious; branchlets angular, brown, pubescent. Stipules ovate-triangular, ca. 3 × 2 mm; petiole 8-10 mm, pubescent; leaf blade broadly elliptic, ovate, oblong, or oblong-lanceolate, 12-20 × 4.5-7.5 cm, papery, abaxially puberulent on nerves, base obtuse or rounded, usually inequilateral, apex acuminate or caudate-acuminate; midvein and 8-11-paired lateral veins elevated on both surfaces. Flowers in sessile axillary clusters with 6-10 female and 2 male flowers. Male flowers: pedicels short; sepals 5, oblong, apex acute; stamens 3, connate. Female flowers: pedicels 1.5-2.3 cm; sepals 5, broadly ovate; ovary broadly ovoid, 6-8-lobed, concave at apex; styles persistent, apex lobed. Pericarp thinly crustaceous. Seeds ovoid or globose, red. Fl. Jul-Sep, fr. Sep-Dec.

Broad-leaved forests, slopes of steep rocky ridges; 900-2000 m. SE Xizang (Mêdog) [Bhutan, India (Sikkim), Nepal, N Thailand].