滇龙眼 dian long yan

Xerospermum yunnanense W. T. Wang, Acta Phytotax. Sin. 6: 287. 1957.

Trees, evergreen, ca. 10 m tall. Branches reddish brown, grooved. Leaves with petiole ca. 40 cm or longer; leaflets 4 pairs, alternate; petiolules 5-8 mm; blades oblong-lanceolate or lanceolate, 23-44 × 5-10 cm, thinly leathery, glabrous, lateral veins 12-19 pairs, slightly curved, ascending, prominent abaxially, reticulate veins inconspicuous, base cuneate, slightly asymmetrical, margin entire, apex acute. Flowers and inflorescences not seen. Drupes subglobose or compressed-globose, ca. 1.8 × 2.1 cm; pericarp brown and crustaceous when dry, abaxially with tubercles. Seeds 1, compressed-globose, arillode distinct from testa. Fr. late summer-early autumn.

● Forests; ca. 1000 m. Yunnan (Jinping).