高额马先蒿 gao e ma xian hao

Herbs perennial, to 20 cm tall, ± drying black. Roots fleshy. Stems often numerous, outer ones usually ascending, with 4 lines of dense hairs. Leaves in whorls of 4. Basal leaves persisting at anthesis; petiole to 2.5 cm, membranous, sparsely long white ciliate; leaf blade ca. as long as petiole, ovate-oblong to oblong; segments ca. 5 pairs, ovate-oblong, glabrous on both surfaces, incised-dentate. Stem leaves few, similar to basal leaves but smaller; segments ca. 4 pairs. Inflorescences 2.5--3.5 cm; bracts leaflike, shorter than flowers. Calyx ca. 4 mm, membranous, slightly cleft anteriorly; tube ca. 3 mm; lobes 5, unequal. Corolla pale rose, with white throat, 1.3--1.5 cm; tube ± bent at a right angle basally, ca. 3 X as long as galea, slender; galea ca. 4 mm, apex ovate, acute; lower lip ca. 5 X 6.5 mm, middle lobe broadly ovate, smaller than lateral lobes. Filaments glabrous. Fl. May--Jun, fr. Jul--Aug.

* Swampy meadows; 3800--4600 m. SE Xizang.