玉树虎耳草 yu shu hu er cao

Herbs perennial, 4.5-6 cm tall. Stem densely glandular hairy. Basal leaves aggregated into a rosette; leaf blade spatulate, 6-8.4 × 1.9-3 mm, abaxially glabrous, adaxially pustulate distally, margin cartilaginous pustulate and rigidly ciliate. Cauline leaves remote, oblong-linear, 1-1.3 cm × 1.6-2.5 mm, glandular hairy, apex acute. Inflorescence corymbose, 2.3-3.7 cm, 2-10-flowered; pedicels 1-1.5 cm, densely glandular hairy. Sepals erect to spreading, triangular-ovate, 2.5-4 × 1.8-2 mm, abaxially and marginally glandular hairy, veins 5 or 6, confluent or not at apex, apex subacute. Petals yellow, proximally purple spotted, elliptic-obovate, 7.3-7.6 × 4.3-4.5 mm, not callose, ca. 7-veined, base tapered, apex obtuse. Stamens ca. 3 mm. Ovary subsuperior, broadly ovoid, ca. 2 mm; styles divergent, ca. 0.5 mm. Fl. Jul-Aug.

* Alpine rock crevices; 4300-4400 m. S Qinghai (Yushu Xian).