平脉腺虎耳草 ping mai xian hu er cao

Herbs perennial, 6-6.5 cm tall. Stem purple, brown crisped glandular villous at leaf axils, elsewhere subglabrous. Basal leaves with petiole ca. 6.5 mm, margin brown crisped glandular villous; leaf blade elliptic, 5-6.7 × 2.1-3.5 mm, glabrous, apex subobtuse. Cauline leaves oblong, 4.7-8 × 1.5-2.5 mm, margin brown crisped glandular villous at base. Cyme ca. 2 cm, 2- or 3-flowered; pedicels 5-10 mm, dark brown glandular hairy. Sepals erect, ovate, 2.4-2.7 × 1.8-2.1 mm, abaxially brown glandular hairy proximally, veins 3, not confluent at apex, apex subobtuse. Petals yellow, obovate, 8-9.7 × 3.9-4.5 mm, 6-callose near base, 5-veined, base gradually contracted into a claw 1.5-1.7 mm, apex retuse. Stamens 2-3.5 mm. Ovary subsuperior, ovoid, 1.7-3.4 mm; styles 0.5-1.5 mm. Fl. Jul-Aug.

* Alpine meadows; ca. 4200 m. S Xizang (Cona Xian).