倒卵叶山龙眼(原变种) dao luan ye shan long yan (yuan bian zhong)

Leaf blade obovate to ovate, 7-13 × 4-7 cm, margin entire or serrulate on apical half, apex rounded or abruptly ± acute; secondary veins 6-8 on each side of midvein. Inflorescences 5-10 cm. Pedicel ca. 1 mm. Perianth 1-1.2 cm. Hypogynous glands free. Fl. Jul-Aug, fr. Oct-Nov.

Rain forests, montane evergreen broad-leaved forests; 300-1000 m. Guangdong, Guangxi [Vietnam].