齿唇马先蒿 chi chun ma xian hao

Herbs to 40--50 cm tall, gray-white silky pubescent throughout. Stems single. Leaves on stem, not forming basal rosette, alternate, sessile, oblong, 5--8 X 2--3 cm, pinnatifid; segments dentate. Inflorescences spicate; bracts leaflike, small. Calyx ca. 1 cm; lobes equal, often entire. Corolla 4--4.5 cm, pubescent throughout; lips connivent; galea erect, 1.5--1.8 cm, marginally bearded; lower lip slightly shorter than galea, 3--4 X 5--6 mm, middle lobe with 2 teeth at base. Filaments glabrous. Fl. Jul.

* Shaanxi (Qinling)