单花景天 dan hua jing tian

Herbs perennial. Stems tufted, 2-4 cm, basally prostrate then ascending to suberect, terete, densely and minutely papillate. Leaves alternate, crowded, sessile, spatulate to narrowly obovate, 5-6.5 × 1.3-1.6 mm, densely and minutely papillate-hairy, apex rounded. Cyme terminal or axillary, simple, 3-6-flowered; bracts leaflike, small. Flowers 5-merous; pedicel 1.5-2 mm. Sepals narrowly oblong-lanceolate, 1.6-2 × 0.3-0.5 mm, apex obtuse. Petals white, narrowly elliptic, 3.2-3.5 × 0.9-1.2 mm, apex acute. Stamens 5, antesepalous, 2.2-2.4 mm; anthers ovoid, apex emarginate. Nectar scales narrowly linear-spatulate. Carpels erect, 2.5-3 mm, base broad, subconnate; ovules 8-10. Styles ca. 0.5 mm. Follicles 3.2-3.5 mm. Seeds narrowly oblong, narrowly winged. Fl. May.

Rocks on slopes; 4100-4300 m. SW Sichuan (Yanyuan Xian), NW Yunnan [Bhutan].