稻城虎耳草 dao cheng hu er cao

Herbs 17-18 cm tall. Stem much branched distally, densely glandular pubescent. Basal leaves in a dense rosette, spatulate, 1.6-2.3 cm × 4.5-8 mm, leathery, glandular hairy, apex acute. Cauline leaves elliptic to obovate, 1-2.6 cm × 5.5-12 mm, glandular hairy, margin entire, apex acute. Inflorescence 7.5-12.5 cm, 19-28-flowered; branches glandular hairy. Sepals spreading, lanceolate, 5.5-6 × ca. 2 mm, glandular hairy abaxially, adaxially distally, and marginally, veins ca. 9, confluent into a verruca at apex, apex acute. Petals abaxially purple, adaxially yellow near apex and lilac near base, broadly ovate to broadly elliptic, ca. 5 × 4 mm, 2-callose near base, 5-veined, base cordate with a claw 1.2-1.5 mm, apex acute. Stamens ca. 4.5 mm. Ovary superior, ovoid, ca. 4 mm; styles ca. 1.1 mm. Fl. Jul-Aug.

* Rock crevices of Picea forest understories; ca. 3600 m. W Sichuan (Daocheng Xian, Xiaojin Xian).