克洛氏马先蒿 ke luo shi ma xian hao

Herbs perennial, 5--21 cm tall, drying slightly black. Stems usually numerous, unbranched, ascending or procumbent, densely pubescent. Leaves alternate, sometimes ± opposite; petiole 1--2.5 cm, pubescent; leaf blade lanceolate-linear to ± ovate-oblong, 2--4.5 cm X 5--10 mm, glabrous except for pubescent midvein, pinnatisect; segments 9--12 pairs, ovate-triangular to oblong-lanceolate, margin double dentate. Flowers axillary; bracts pubescent. Pedicel 1--1.8 mm, long pubescent. Calyx 1--1.3 cm, 1/3 cleft anteriorly, long pubescent; lobes (2 or)3, unequal, posterior one smallest, lateral pair incised-double dentate. Corolla yellow, 3.3--4 cm; tube 2.5--3 cm, sparsely pubescent; galea falcate apically, conspicuously crested in front; beak ± coiled, ca. 5 mm; lower lip 0.9--1.5 X 1.5--2.1 cm, ciliate, lobes ± equal, emarginate. Filaments densely pubescent apically. Fl. Jul--Aug, fr. Aug--Sep.

* Pinus forests, alpine meadows; 3700--4200 m. SW Sichuan, SE Xizang.