区限虎耳草 qu xian hu er cao

Herbs perennial, cespitose, 2.5-5 cm tall. Shoots numerous branched, forming cushions, with leaf rosettes. Flowering stem apparently scapose, brown glandular hairy. Rosette leaves subspatulate to suboblong, adaxially concave, 4.5-5.5 × 1.6-2.2 mm, subcarnose, abaxially glandular hairy distally and at margin, adaxially rarely glandular hairy distally, apex obtuse. Cauline leaves and bracts in total 1-3 or absent, remote, sometimes hidden in leaf rosette, linear-oblong to -oblanceolate, 4-6.6 × 0.8-1.1 mm, subcarnose, glandular hairy, apex obtuse. Flower solitary; pedicel 0.8-4.5 cm, glandular hairy. Sepals reflexed, subelliptic to subovate, 3-4.2 × 1.5-2.5 mm, abaxially and marginally ± glandular hairy, adaxially glabrous or distally glandular hairy, veins 3-7(-9), confluent at apex, apex obtuse. Petals yellow, proximally spotted brown or red, ovate or obovate to elliptic, 5.5-7 × 2.4-4 mm, obscurely 2-callose, 3-7-veined, base contracted into a claw 0.5-1 mm, apex obtuse. Stamens 4.5-5 mm. Ovary superior, subellipsoid, 1.5-3 mm; styles 0.5-1.5 mm. Fl. and fr. Jul-Sep.

* Scrub, alpine scrub meadows, rock crevices; 3500-4900 m. W Sichuan (Litang Xian, Xiangcheng Xian), E Xizang, NW Yunnan (Dêqên Xian, Weixi Xian).