广东山龙眼 guang dong shan long yan

Helicia chunii W. T. Wang; H. cochinchinensis Loureiro var. lungtauensis Sleumer.

Trees 4-10 m tall. Branchlets and leaves rust-colored pubescent when young, glabrescent. Petiole 1-2.5 cm; leaf blade oblong to obovate, 10-26 × 6-12 cm, papery or leathery, base cuneate, margin remotely serrulate on apical half, sometimes entire, apex shortly acuminate, acute, or rarely obtuse; secondary veins 5-8 on each side of midvein, abaxially conspicuous; reticulate veins inconspicuous on both surfaces. Inflorescences solitary or in pairs, axillary, 14-20 cm; rachis and pedicel densely brown pubescent; bracts of flower pairs narrowly triangular, ca. 2 mm, pubescent. Perianth yellowish, 1.2-1.4 cm, pubescent or glabrous. Anthers ca. 3 mm. Hypogynous glands ovoid, free, crowded together. Ovary glabrous. Fruit dark purple to black when fully ripe, ± globose, 1.5-2.5 cm in diam., apex very shortly apiculate; pericarp ca. 1 mm thick, leathery. Fl. Jun-Jul, fr. Oct-Dec.

* Broad-leaved evergreen forests, mountain slopes; 400-800(-1200) m. E Fujian, Guangdong, Guangxi, S Hunan, S Jiangxi.

This species provides timber.