矮小虎耳草 ai xiao hu er cao

Herbs perennial, 1-2 cm tall. Shoots crowded, forming cushions. Flowering stem scapose, 0.6-1.6 cm, mostly embedded among rosette leaves, visible part 2.8-10 mm, glandular hairy. Shoot leaves imbricate, aggregated into a rosette, subspatulate, abaxially convex, adaxially concave, 2.2-3.6 × 0.8-1 mm, subcarnose, colorless fimbriate hairy abaxially distally and at distal margin. Flower solitary; pedicel glandular hairy. Sepals erect or ascending, ovate to broadly so, abaxially subconvex, adaxially subconcave, 1-1.8 × 1-1.4 mm, abaxially ± glandular hairy, adaxially glabrous, veins 3, confluent into a verruca at apex, margin glandular hairy or glabrous, apex usually scarious fimbriate, rarely mucronate. Petals yellow, proximally orange spotted, elliptic to narrowly so or ovate, 2.5-3.5 × 1-1.8 mm, not callose, 3-5-veined, base with a claw 0.3-0.5 mm or clawless, apex obtuse. Stamens 2-2.8 mm. Ovary semi-inferior, ovoid, ca. 1 mm; styles ca. 0.8 mm. Capsule ca. 3.5 mm; carpels connate proximally, divergent distally. Fl. Jul-Aug.

Alpine meadows, rocky hillsides, rock crevices; 3700-5800 m. S Xizang (Burang Xian, Gyaca Xian, Zhongba Xian), Yunnan [Bhutan, Nepal, Sikkim].