叶枝虎耳草 ye zhi hu er cao

Herbs perennial, 6.5-11 cm tall. Stem brown crisped glandular villous and shorter glandular hairy. Basal leaves caducous; petiole ca. 7 mm, margin glandular villous; leaf blade ca. 4 × 2 mm, glandular hairy, apex obtuse-acuminate. Cauline leaves subsessile, proximal ones smaller, distal ones larger; leaf blade oblong, 6-9 × 1.5-2.8 mm, both surfaces and margin glandular hairy, base cuneate, basal margin sparsely glandular villous, apex acute. Flower solitary or cyme 2- or 3-flowered; pedicels brown crisped glandular villous and shorter straight glandular hairy. Sepals erect-spreading, ovate, 3.2-3.9 × 1.9-2 mm, glandular hairy abaxially, adaxially distally, and marginally, veins 8-11, not confluent at apex, apex subacuminate or acute. Petals yellow, oblong to narrowly ovate, 4.8-5.3 × 2.1-2.3 mm, 2-callose near base, 5-veined, base with a claw ca. 1 mm, apex acute. Stamens 3.5-3.9 mm. Ovary subsuperior, ovoid, ca. 2.3 mm; styles divergent, ca. 2.3 mm. Fl. Jul-Aug.

* Slopes; ca. 3600 m. NW Yunnan (Weixi Xian).