灰白脓疮草 hui bai nong chuang cao

Panzeria canescens Bunge, Delect. Sem. Horto. Bot. Dorpat: 15. 1839; Leonurus canescens (Bunge) Bentham; L. bungeanus Schischkin.

Herbs perennial. Taproots woody. Stems many, 30-35 cm, sparsely villous. Petiole 2-4.5 cm; leaf blade broadly ovate, 3-4 cm wide; stem leaves palmately 5-partite from 1/2 its length nearly to base, villous, abaxially with scattered yellowish glands. Verticillasters 8-14-flowered, in long terminal spikes; floral leaves 1-3 cm wide, 3-partite; bracteoles rigid, linear-subulate, spreading, ca. 1 cm, spinescent. Calyx tubular-campanulate, ca. 1.6 cm, sparsely pubescent, tube ca. 1.1 cm; teeth narrowly triangular, apex long spinescent, anterior teeth 6.5-7.5 mm, posterior teeth ca. 4.5 mm. Corolla 2.5-3 cm, long villous, tube ca. 1.1 cm; upper lip straight, oblong, galeate; lower lip oblong, subpatent; middle lobe larger, obcordate, 2-lobulate; lateral lobes ovate. Fl. Jul.

Stony dry areas. Xinjiang [Mongolia, Russia].