圆叶梭罗 yuan ye suo luo

Trees, to 10 m tall, to 30 cm d.b.h.; bark gray-brown. Branchlets glabrous or sparsely brownish or gray stellate puberulent when young. Petiole 3.5-7 cm, glabrous or sparsely hairy; leaf blade orbicular or ovate-orbicular, 7-18 × 6-16 cm, leathery, abaxially densely yellowish brown stellate puberulent, adaxially sparsely stellate puberulent, glabrescent, basal veins 5, prominent abaxially, impressed adaxially, base rounded or truncate, apex rounded or obtusely acuminate. Flowers not seen. Capsule ellipsoid-pyriform, 5-angular, brown to dark brown, ca. 2.5 × 1.5-2 cm, sparsely yellowish brown stellate puberulent and scaly. Seeds ca. 2.2 cm including wing, wing brown, oblong, slightly falcate, apex obtuse. Fr. Dec.

● Secondary forests on limestone; ca. 1500 m. Yunnan (Xichou).

This species is easily distinguished from all but the following species by its orbicular or rarely ovate-orbicular leaves and its glabrous or sparsely pubescent branchlets and petioles.