水晶棵子 shui jing ke zi

Hedyotis longidens Hance, J. Bot. 20: 289. 1882; Wendlandia henryi Oliver.

Subshrubs, much branched, 0.2-1.5 m tall; branches terete, densely strigillose, hirtellous, or hispidulous. Leaves opposite; petiole 0.5-2 mm, strigillose to hirtellous; blade drying papery, elliptic-lanceolate, lanceolate, narrowly lanceolate, or ovate, 0.8-3 × 0.3-1 cm, adaxially densely hispidulous to glabrous, abaxially densely to sparsely hispidulous or strigillose or glabrous, base acute and usually decurrent, apex acute to shortly acuminate or rarely obtuse; secondary veins ca. 3 pairs, occasionally with foveolate pilosulous domatia; stipules lanceolate, triangular, or ovate-triangular, 2.5-4.5 mm, densely strigillose to hispidulous, apex erect to spreading, acute to cuspidate. Inflorescence paniculate to cymose, corymbiform to subglobose, 2-4 × 2-4 cm, densely strigillose, hirtellous, or strigose, sessile and tripartite or pedunculate; peduncle 3-6 mm; bracts linear to narrowly triangular, 0.5-5 mm; pedicels 2-3 mm. Flowers pedicellate. Calyx densely strigillose to glabrescent; hypanthium portion turbinate to ellipsoid, 1-2 mm; limb lobed nearly to base; lobes linear-oblong to spatulate or oblanceolate, 2-3 mm. Corolla white, tubular-salverform, glabrous outside; tube 7-8 mm; lobes linear-oblong, 7-8 mm. Filaments 5-6 mm; anthers linear-lanceolate, 3-3.2 mm, exserted. Stigma 2-lobed, ca. 2 mm. Capsule subglobose, 2-2.5 mm in diam., densely strigillose to glabrescent, with calyx lobes elongating, up to 4 mm. Fl. May-Jul, fr. Jul-Nov.

● Thickets at riversides or on mountain slopes; near sea level to 1800 m. Guizhou (Chishui), Hubei (Yichang), Sichuan, Yunnan.