浓毛山龙眼(原变种) nong mao shan long yan (yuan bian zhong)

Trees 5-10 m tall. Petiole 1.5-2.5 cm; leaf blade obovate-oblong to oblanceolate, 20-24 × 4-8 cm, margin serrate on apical half. Inflorescences 8-14 cm; bracts of flower pairs narrowly ovate, 1-2 mm. Pedicel 2-2.5 mm. Perianth 1.6-1.8 cm. Fruit ca. 2.5 cm in diam.; pericarp leathery. Fl. Mar-May, fr. Sep-Nov.

Rain forests, mountains, valleys; 600-1400 m. Yunnan [Thailand].