瑞丽山龙眼 rui li shan long yan

Shrubs or small trees, 4-10 m tall. Branchlets apically rust-colored pilose, persistently pilose only near a leaf. Petiole 2-5(-10) mm; leaf blade obovate-oblong, oblong, or oblanceolate, 6-10 × 2.5-3.5 cm, ± leathery to leathery, glabrescent, base cuneate and sometimes decurrent into petiole, margin entire or serrulate on apical half, apex acute to shortly acuminate; secondary veins 5-8 on each side of midvein; secondary and reticulate veins conspicuous on both surfaces. Inflorescences ramiflorous, 8-12 cm, glabrous; bracts of flower pairs oblong to lanceolate, 4-10(-20) × 1.5-3 mm but a few persistent bracts accrescent in fruit, leaflike, 2.5-3 × ca. 1 cm; floral bracts lanceolate, 1-2 mm. Pedicels 3-4 mm, basally connate. Perianth yellowish, 1-1.4 cm. Anthers ca. 3 mm. Hypogynous glands ovoid, free. Ovary glabrous. Fruit dark green, ± globose, ca. 1.5 cm in diam., apex apiculate; pericarp ca. 1 mm thick, leathery. Fl. Aug-Sep, fr. Sep-Dec.

* Montane forests; 300-2800 m. C to SW Yunnan.