汶川虎耳草 wen chuan hu er cao

Herbs perennial, cespitose, 7-9 cm tall. Stem simple, proximally sparsely glandular hairy, distally glabrous. Leaf buds absent in axils of leaves and bracts. Basal leaves absent; cauline leaves lanceolate, 5.5-8 × 1-1.5 mm, both surfaces glabrous, base rounded, margin cartilaginous glandular ciliate, apex acute, aristate-mucronate. Flower solitary; pedicel ca. 1.5 mm, glabrous. Sepals erect, subovate, ca. 4 × 2 mm, leathery, both surfaces glabrous, veins 3, confluent at apex, margin cartilaginous glandular ciliate, apex mucronate. Petals yellow, obovate, ca. 5.8 × 3 mm, not callose, 3-5-veined, base contracted into a claw ca. 1 mm, apex rounded. Stamens ca. 5 mm. Ovary ovoid, ca. 2 mm; styles ca. 1.8 mm. Fl. Jun-Aug.

* Alpine passes; ca. 4300 m. NC Sichuan (Wenchuan Xian).