菜叶马先蒿 han cai ye ma xian hao

Herbs perennial, not drying black. Stems usually single, dichotomously branched or unbranched, weak, repent, subglabrous. Leaves ± opposite; petiole 1--5 cm, slightly long pubescent; leaf blade ovate to oblong, to 9 X 3--5 cm, membranous, abaxially subglabrous, adaxially slightly hirtellous, pinnatisect; segments 2--7 pairs, broadly ovate, ± pinnatifid, margin double dentate. Pedicel slender, 8--20 cm, subglabrous. Calyx cylindric-obconical, ca. 7 mm, slightly cleft anteriorly; lobes 5, slightly unequal, leaflike, glabrous apically, sparsely white villous along midvein at base. Corolla rose; tube less than 2 X as long as calyx, ca. 1.2 cm; lower lip large, slightly ciliate, middle lobe narrowly ovate, apex acute. 2 filaments pubescent, 2 glabrous. Fl. Jun--Jul, fr. Jul--Aug.

* Moist places, forests; ca. 2000 m. W Hubei, Shaanxi, E Sichuan.