矮优越虎耳草 ai you yue hu er cao

Herbs perennial, 8.5-13.5 cm tall. Stem glandular pilose proximally, glabrous distally. Cauline leaves with petiole 1.2-7.5 mm, gradually shorter toward apex of stem, adaxially and marginally crisped glandular villous, only so at base on proximal leaves; leaf blade ovate-cordate to cordate, 8.5-10 × 6-8.5 mm, both surfaces glabrous, base cordate, margin glandular pilose, apex obtuse. Flower solitary or cyme 2-flowered; pedicels 0.9-1.7 cm, sparsely glandular hairy. Sepals reflexed, ovate, ca. 2.6 × 2 mm, both surfaces glabrous, veins 3, not confluent at apex, margin shortly glandular hairy, apex obtuse. Petals yellow, subobovate, 5-5.3 × 3.5-3.8 mm, 4-callose, 4-6-veined, base gradually contracted into a claw ca. 0.8 mm, apex obtuse. Stamens ca. 4.5 mm. Ovary superior, ovoid, ca. 3 mm; styles ca. 1 mm. Fl. Aug-Sep.

* Abies forests; ca. 3400 m. SE Xizang (Mêdog Xian).