缘毛马先蒿 yuan mao ma xian hao

Herbs perennial. Stems erect or ascending, to 26 cm tall, glabrous except for 2 lines of hairs, striate. Basal leaves scalelike; stem leaves ± clasping, sessile, linear-lanceolate, to 3 cm X 4.5 mm, crenate-double dentate. Inflorescences capitate or loosely racemose, 2--10-flowered; bracts leaflike. Pedicel 0.5--1.5 cm. Calyx ca. 7 mm; lobes 5, triangular, entire, ca. 1/2 as long as tube. Corolla rose; tube scarcely longer than calyx; galea inconspicuously navicular, bearded along margin; beak slender, erose apically; lower lip shorter than galea. Filaments glabrous.

* Alpine meadows, forests; 3400--4500 m. Gansu, NW Sichuan.