凌氏马先蒿 ling shi ma xian hao

Herbs less than 30 cm tall, pilose. Stems branched apically, sparsely pilose. Proximal leaves in whorls of 3, middle and distal ones opposite or whorled, long petiolate; leaf blade lanceolate or elliptic, pinnatisect; segments ovate, pinnatifid, incised-dentate. Inflorescences spicate; bracts pinnatisect. Calyx campanulate; lobes 5, unequal, 2 lobes larger than others, rounded, incised-serrate. Corolla rose; tube decurved in calyx, ca. 3 X as long as calyx; galea slightly falcate, apex rounded, with 1 marginal subulate tooth on each side; lower lip slightly longer than galea, lobes oblate, middle lobe placed slightly apically. Filaments pubescent apically.

* Mountains; 3800--3900 m. W Sichuan.