Saxifraga pulvinaria H. Sm.

Found in the Baltistan and Kaghan areas from 4300-4430 m. Grows on rocks forming almost smooth cushion-like tufts and mats.

Stems densely tufted, decumbent, 3-6 cm long. Leaves 2 mm long, densely imbricate, broadly oblong, apex obtuse, flattened with a white perforation, keeled below. Flowers white, terminal, solitary, sessile. Sepals 1.5 mum long, ovate, obtuse, glandular-ciliate. Petals 3-4 mm long, limb suborbicular, base unguiculate, margin undulate, sometimes lobed. Filaments c. as long as the sepals. Style short. Capsule broadly ovoid.

Plants many branched, 4.5-6 cm tall, with crowded shoots forming cushions. Flowering stem embedded among rosette leaves and not visible, 1.4-1.9 mm, glabrous. Shoot leaves imbricate, aggregated into a rosette, narrowly elliptic, ca. 3.3 × 1.4 mm, leathery, both surfaces glabrous, chalk gland 1, margin cartilaginous ciliate, apex acute, glabrous. Cauline leaves 3 or 4, linear-oblong, 3.5-4 × 0.8-1 mm, both surfaces glabrous, chalk gland 1, margin cartilaginous ciliate, apex acute, glabrous. Flower solitary; bract suboblong, ca. 2.8 × 0.9 mm, both surfaces glabrous, margin glandular ciliate, apex acute; pedicel ca. 0.3 mm. Sepals erect, subtriangular-ovate to broadly ovate, 1.6-2 × ca. 1.4 mm, leathery, both surfaces glabrous, veins 3, confluent at apex, margin glandular ciliate, apex obtuse or acute, glabrous. Petals white, obovate or oblanceolate to oblong, 3.5-5.3 × (1.5-)2-3 mm, 5- or 6-veined, base gradually narrowed into a claw, apex retuse or obtuse. Stamens ca. 2.2 mm. Ovary subinferior, ca. 2 mm, with an annular nectary disc; styles ca. 1.5 mm. Fl. Jun-Jul.

Himalaya (Kashmir to Nepal).

Distribution: Alpine Himalayas (Sikkim to Kashmir).

SW Xinjiang (Taxkorgan Tajik Zizhixian), SW Xizang (Burang Xian), NW Yunnan (Gongshan Drung-Nu Zu Zizhixian, Zhongdian Xian) [Bhutan, India, Kashmir, Nepal, Sikkim].

3800-5800 m

Fl.Per.: June-July.

Rock crevices; 3900-5200 m.

Saxifraga imbricata Royle, Ill. Bot. Himal. Mts. 1: 226. 1835, not Lamarck (1779), nor Bertoloni (1830).

Saxifraga pulvinaria là một loài thực vật có hoa trong họ Saxifragaceae. Loài này được Harry Sm. miêu tả khoa học đầu tiên năm 1958.

垫状虎耳草（学名：Saxifraga pulvinaria）为虎耳草科虎耳草属下的一个种。