狭管马先蒿 xia guan ma xian hao

Herbs perennial, to 30 cm tall. Stems numerous, unbranched, glabrous or sparsely long pubescent. Leaves basal and on stem; petiole to 4 cm, narrowly winged, long pubescent; leaf blade oblong or linear, ca. 9 X 1.6 cm, glabrescent or sparsely pubescent, pinnatisect; segments 10--15 pairs, ovate, dentate. Stem leaves alternate, rarely ± opposite, similar to basal leaves but slightly smaller. Flowers axillary, proximal ones lax, ± sessile or short pedicellate. Calyx cylindric, 7--8 mm, deeply cleft anteriorly; lobes 3, unequal. Corolla purple; tube slender, erect, 8--11 cm X 6--8 mm, glabrous or sparsely pubescent; galea strongly twisted, inconspicuously crested, glandular pubescent; beak S-shaped, 8--10 mm; lower lip 8--9 mm X 1.4--1.6 cm, ciliate, middle lobe truncate. Anterior filament pair pubescent apically. Capsule oblong, ca. 1.7 cm X 6 mm. Fl. Jul--Aug, fr. Aug.

* Alpine meadows; 3000--3200 m. SW Sichuan, Yunnan.