针齿马先蒿 zhen chi ma xian hao

Herbs perennial, low, less than 7 cm tall. Roots many, to 6 cm. Stems single, densely glandular pubescent. Basal leaf petiole to 2 cm, sparsely pubescent; leaf blade oblong-lanceolate, ca. 1.7 cm X 7 mm, abaxially whitish scurfy, adaxially glabrous, pinnatisect; segments 7 or 8 pairs, ovate-oblong to ovate, incised-dentate. Stem leaves 1 or absent. Inflorescences subcapitate, 5--8-flowered, pedicellate or distal flowers sessile. Pedicel to 7 mm. Calyx ca. 6 mm, 1/2 cleft anteriorly; tube barely 4 mm; lobes 3, unequal, posterior one entire and acuminate, lateral pair dentate. Corolla tube 1.1--1.4 cm, pubescent externally; galea twisted; beak semicircular or S-shaped, ca. 6 mm; lower lip ca. 1.1 X 1.3 cm. Filaments glabrous. Fl. Jul, fr. Aug.

* Alpine meadows; 4300--4700 m. SE Xizang.