截叶虎耳草 jie ye hu er cao

Plants many branched, 1.5-2 cm tall, with crowded shoots forming cushions. Flowering stem ca. 4 mm, embedded among rosette leaves and not visible, glandular hairy. Shoot leaves subimbricate, aggregated into a rosette, narrowly obovate, abaxially convex, adaxially concave, 6.5-6.7 × 2.3-2.6 mm, both surfaces glabrous, chalk glands 3, margin glandular ciliate proximally, apex truncate. Cauline leaves narrowly subobovate, abaxially subconvex, adaxially subconcave, ca. 5 × 1.8 mm, abaxially glandular hairy proximally, adaxially glabrous, chalk glands 3, margin cartilaginous glandular ciliate, apex subacute, glabrous. Cyme usually 3-flowered; bracts tightly appressed to hypanthium, linear, chalk gland 1; pedicels nearly absent. Sepals erect, broadly ovate, 1.8-2 × ca. 1.5 mm, both surfaces glabrous, veins 3, not confluent at apex, margin cartilaginous glandular ciliate, apex obtuse, glabrous. Petals white, broadly obovate to orbicular, 4-4.2 × 3-3.6 mm, 5-7-veined, base with a claw 0.5-0.9 mm, apex obtuse. Stamens ca. 2.5 mm. Ovary semi-inferior; styles ca. 2 mm. Fl. Jun-Aug.

Cushion vegetation, cliffs, rocks; 4700-5000 m. S Xizang (Dinggyê Xian) [Bhutan, Sikkim].