皮氏马先蒿 pi shi ma xian hao

Herbs low, 2--4 cm tall, not drying black. Stems glabrous. Leaves mostly basal; petiole to more than 2 cm; leaf blade ovate-elliptic, less than 1 cm, sparsely pubescent; segments 3--5 pairs, crenate. Stem leaves often only 1 pair, shorter petiolate. Flowers axillary, few. Pedicel to 6 mm, glabrous. Calyx ca. 8 mm, membranous, sparsely pubescent along midvein; lobes 5, unequal, ± leaflike. Corolla rose, 2.5--3 cm, glabrous; tube slightly bent at middle, ca. 1.5 cm, slightly expanded apically; galea slightly falcate, ca. 1.1 cm, apex truncate; lower lip large, slightly longer than galea. Filaments glabrous.

* Alpine regions. W Sichuan, SE Xizang.