酸脚杆 suan jiao gan

Pseudodissochaeta lanceata M. P. Nayar, J. Bombay Nat. Hist. Soc. 65: 563. 1968; Medinilla radiciflora C. Y. Wu.

Shrubs or trees, 2-5 m tall. Branches obtusely 4-sided but later terete; bark corky, longitudinally shedding. Petiole 8-10 mm, slightly pilose; leaf blade lanceolate to ovate-lanceolate, 15-24 × 3-5.5 cm, papery, both surfaces glabrous or abaxially puberulous and slight furfuraceous, secondary veins 1 or 2 on each side of midvein, base rounded to obtuse, margin sparsely shallow serrulate to subentire, apex caudate-acuminate. Inflorescences inserted on leafless stems or on root stock, cymose paniculate, 15-25 cm, puberulous. Pedicel ca. 4 mm, puberulous. Hypanthium campanulate, 5-6 mm, minutely tuberculate. Calyx lobes inconspicuous, apiculate. Petals broadly ovate, ca. 4.5 × 6 mm, apex obtuse to rounded. Stamens 8, subequal; filaments ca. 7 mm, base tuberculate; connective decurrent, forming a spur. Ovary ovoid, 4-celled, apex 4-dentate. Berry urceolate, ca. 8 × 7 mm, minutely tuberculate, puberulous. Seeds shortly cuneate, scattered small tuberculate. Fl. Aug, fr. Apr or Oct.

● Sparse to dense forests, shaded damp places, valleys, hillsides; 400-1000 m. Hainan, Yunnan.