2. Oxyspora yunnanensis H. L. Li, J. Arnold Arbor. 25: 12. 1944.
滇尖子木 dian jian zi mu
Oxyspora glabra H. L. Li; O. paniculata (D. Don) Candolle var. yunnanensis (H. L. Li) J. F. Maxwell.
Shrubs 1-2 m tall. Stems 4-sided, patently setose or not when young. Petiole 0.5-1.5 cm; leaf blade lanceolate-oblong to oblong-ovate, 6-13 × 2.5-4.2 cm, stiffly papery to papery, abaxially glabrous, adaxially puberulous with trichomes inflated at base, secondary veins 2 on each side of midvein, base cuneate to subrounded, margin denticulate to subentire, apex acuminate. Inflorescences terminal, a cymose panicle, 10-20 × ca. 7 cm, puberulous or glabrous, with 2 leaflike but usually caducous bracts at base. Bractlets and bracteoles lanceolate to subulate, very small. Hypanthium narrowly funnelform, ca. 5 mm, obtusely 4-sided, puberulous or glabrescent. Calyx lobes broadly triangular, 1-1.5 mm, apex acute and apiculate. Petals pink to red, ovate, ca. 1 cm, apically ciliate. Longer stamens with connective swollen and slightly extended at base. Shorter stamens with connective shortly spurred. Capsule ovoid, ca. 6 × 4 mm, 4-sided; hypanthium funnelform, longitudinally 8-ribbed, apically contracted. Fl. ca. Aug, fr. Oct-Nov.
● Dense mixed forests, stream banks, rock crevices; 1300-2800 m. Guizhou, Yunnan.