二色马先蒿 er se ma xian hao

Herbs 5--6 cm tall, pubescent. Stems ± absent. Leaves nearly all basal; petiole 1--1.5 cm; leaf blade elliptic, 1--1.5 cm X 5--6 mm, shallowly crenate lobed; segments ± crenulate. Pedicel 1--1.5 cm. Calyx cylindric; tube ca. 1.2 cm X 4 mm, 1/3 cleft anteriorly; lobes 2, ca. 5 mm, leaflike, dentate. Corolla with purple galea and yellowish lower lip, 2--2.4 cm; tube ca. 1.5 X as long as calyx, sparsely pubescent; galea erect basally, bent apically, ca. 8 mm; beak S-shaped, 4--5 mm; lower lip ca. 1.5 cm wide, glabrous, middle lobe much smaller than lateral pair, 5--6 X ca. 5 mm, emarginate. Filaments pubescent. Fl. Jul.

* SE Shaanxi.