Orobanche coerulescens Stephan ex Willd.

Herbs biennial, 15-40(-50) cm tall, densely villous. Stems erect, unbranched. Leaves ovate-lanceolate, 1.5-2 cm X 5-7 mm, along with bracts and calyx densely villous at margin and abaxially. Inflorescences 10-20 cm; bract similar to leaves; bractlets absent. Calyx 1.2-1.5 cm, 2-parted almost to base; segments divided to half; lobes narrowly lanceolate, 3-5 mm. Corolla dark blue, blue-purple, pale purple, or yellow, 2-2.5 cm; tube constricted, open upward; upper lip 2-lobed, rarely emarginate. Filaments 1.2-1.4 cm, usually villous; anthers ovoid, ca. 2 mm, glabrous. Pistil 1.5-1.7 cm; ovary ellipsoid. Style as long as filaments, usually glabrous; stigma 2-lobed. Capsule ovoid-oblong or oblong, ca. 10 X 4 mm. Seeds irregularly ellipsoid or long ovoid, ca. 0.3 mm. 2n = 38.

It is a temperate plant. It is native to semi-desert areas in eastern Asia. It grows on sandy and exposed hillsides. It can grow in arid places. In Inner Mongolia. In north China it grows between 900-4,000 m above sea level.

The above ground parts of the plant are used for a drink. The young plants are gathered, steamed, dried and used for tea. They are also cooked with lamb for soup.