1. Mastixia pentandra Blume, Bijdr. Fl. Ned. Ind. 654. 1826.
五蕊单室茱萸 wu rui dan shi zhu yu
Trees, evergreen, to 30 m tall. Branches cylindrical or ridged, slender or stout, subglabrous or puberulous. Leaves alternate; petiole 1.5–2.5 cm; leaf blade elliptic or oblong-obovate, 6–15(–20) × 2.5–8 cm, leathery or subleathery, abaxially subglabrous, veins 3–8(or 9) per side, shortly ascending along margin, base cuneate to broadly cuneate, apex acute or acuminate. Inflorescences terminal, 4–9 cm, puberulous; branches subtended by small, triangular or lanceolate bracteoles. Flowers 5-merous; sepals 5; petals 5, oblong, thick, apex inflexed. Stamens 5, alternate petals; anther locules 2; disk slightly 5-lobed. Style 1.5–2 mm; stigma small. Drupes ovoid to oblong, 1.5–2.5 × 1–1.7 cm, apex with persistent style and sepals. Fl. May–Jun, fr. Sep–Oct.
Dense forests, mixed woods; 300–1400 m. Hainan, S Yunnan [Cambodia, NE India, Malaysia, Myanmar, Thailand, Vietnam].
