毛药列当 mao yao lie dang

Orobanche coerulescens Stephan f. ombrochares (Hance) Beck.

Herbs 15-30 cm tall, densely white arachnoid-tomentose throughout. Stems erect, unbranched. Leaves ovate-lanceolate or lanceolate, 1.5-2.2 cm X 4-5 mm, along with bracts and calyx densely white arachnoid-tomentose abaxially and villous. Inflorescences spicate, many flowered, terminal, 8-15 cm; bract shorter than leaves; bractlets absent. Calyx 1-1.2 cm, 2-parted to base; segments 2-toothed; lobes lanceolate, unequal, 3-4 mm. Corolla dark blue and blue-purple, 2-2.5 cm; upper lip 2-lobed; lower lip slightly longer than upper; lobes oblong, margin irregularly crenate. Filaments ca. 1 cm, lower and basal part pubescent; anthers ovoid, 1.8-2 mm, densely white tomentose-villous along suture. Style shorter than stamens; stigma 2(-4)-lobed. Capsule rounded, ca. 1 cm. Seeds subglobose or oblong, ca. 0.3 X 0.2 mm. Fl. Apr-Jul, fr. Jul-Oct.

* Sandy places on slopes; 600-1300 m. Hebei, Liaoning (Zhangwu Xian), Nei Mongol, Shaanxi, Shanxi.