长圆叶杜英 chang yuan ye du ying

Trees ca. 15 m tall. Branchlets glabrous. Petiole 4-6 cm, swollen at both ends; leaf blade adaxially dark, oblong or oblong-lanceolate, 13-19 × 4.5-6 cm, leathery, densely sericeous when young, glabrous when mature, glandular abaxially and in vein axils, lateral veins 8 or 9 per side, base nearly rounded or broadly cuneate, margin sparsely crenate, teeth 5-8 mm apart, apex acute, acumen obtuse. Flowers unknown. Infructescence 5-6 cm. Drupe ellipsoid, 2.5-3 × 1.5-2 cm, stalk ca. 5 mm; exocarp not shiny; endocarp 3-5 mm thick, lacunose, 1-loculed. Seed 1. Fl. unknown, fr. Sep.

● Forests; 700-800 m. SE Yunnan.