毛瓣虎耳草 mao ban hu er cao

Saxifraga hirculus Linnaeus var. alpina Engler f. ciliatopetala Engler & Irmscher in Engler, Pflanzenr. 67(IV. 117. I): 111. 1916; S. ciliatopetala var. ciliata J. T. Pan; ?S. ovatipetala T. C. Ku.

Herbs perennial, cespitose, 7.5-30 cm tall. Stem brown crisped villous. Basal leaves with petiole 0.8-2.3 cm, margin brown crisped villous; leaf blade ovate to lanceolate. Cauline leaves oblong or lanceolate to linear-oblong, 1.2-2 cm × 2-6 mm, brown crisped villous; proximal leaves with petiole 1-8 mm, brown crisped villous; distal leaves sessile. Cyme corymbose, 1.5-6 cm, 2-5-flowered, rarely flower solitary; branches 2.3-3.5 cm; pedicels 5-18 cm, densely brown crisped villous. Sepals erect, then spreading to reflexed, elliptic or broadly so to suboblong, 3.1-5.3 × 1.5-3 mm, abaxially and marginally brown crisped villous, veins 3-9, not confluent at apex. Petals yellow, obovate, elliptic, or orbicular to oblong, 6.6-9.6 × 3-6.3 mm, brown crisped villous at margin, sometimes also abaxially proximally, 2-callose near base, 5-10(-14)-veined, base with a claw 0.3-1.2 mm, apex obtuse. Stamens 3.2-6 mm. Ovary subsuperior, ovoid, 2.2-4 mm; styles 1-2 mm. Fl. and fr. Jul-Oct.

Forests, scrub, alpine meadows, marshes, streamsides, rock crevices; 3900-5100 m. SW Sichuan, E and S Xizang, SW Yunnan [Nepal].