戛克氏马先蒿 ga ke shi ma xian hao

Herbs perennial, 6--16 cm tall, drying black. Roots fusiform, fleshy. Stems erect, slender, leafy. Leaves alternate; petiole 2--3 cm, sheathlike, enlarged basally; leaf blade linear, 3.5--6 cm X ca. 5 mm, pinnatifid; segments 12--20 pairs, ovate, apiculate-dentate. Inflorescences centrifugal, dense. Pedicel 0.8--1.8 cm. Calyx cylindric-campanulate, hirsute; tube 1.4--1.6 cm; lobes 5, unequal, serrate. Corolla purple, red, rose, or pink; tube 2.2--3 cm, externally minutely pubescent; beak of galea coiled, ca. 7.5 mm, slender; lower lip 1.8--2 cm, middle lobe oblong, smaller than lateral lobes, placed slightly apically. Filaments pubescent, anterior pair denser. Capsule obliquely oblong, ca. 2.2 cm, ca. 1/2 as long as calyx. Fl. Jul. 2n = 16.

S Xizang [Sikkim].