腺毛莸 xian mao you

Cardioteucris cordifolia C. Y. Wu.

Herbs, perennial, rhizomatous, 50-90 cm tall, usually unbranched, minutely hirsute, glandular. Petiole 3-8(-10) cm, much shorter on apical leaves, minutely hirsute and sparsely glandular; leaf blade broadly ovate, 6-12 X 5-10 cm, membranous, strigose, base cordate, margin with 8-15 serrations per side, apex acute. Inflorescences slender, lax terminal thyrses, sometimes also in most apical leaf axils, densely minutely hirsute, glandular; bracts linear-lanceolate to lanceolate, 1-6(-10) mm, shorter than pedicel. Calyx 5-7 mm, outside minutely hirsute and glandular, 2 lipped, lower lip 2-dentate, upper lip 3-dentate or rarely subentire in fruit. Corolla white, ca. 1.2 cm, outside puberulent. Stamens and style exserted. Fruit shallowly lobed; nutlets ca. 3 mm, glabrous, faintly ridged. Fl. Jun-Aug.

Open or forested slopes; 2000-3000 m. Sichuan, Yunnan [Myanmar].