蒋氏马先蒿 jiang shi ma xian hao

Herbs ca. 35 cm tall. Stems erect, branched basally, densely pubescent. Leaves ± sessile, linear-oblong, 2--3.5 cm X 6--9 mm, ± fleshy, pubescent on both surfaces, base rounded or subcordate, 12- or 13-crenate on each side, apex acute. Inflorescences spicate, to 8 cm; bracts ovate-oblong, ca. 2 cm X 6 mm, pubescent on both surfaces, crenate. Flowers ± dense. Calyx cylindric, ca. 1.2 cm X 3 mm, membranous, pubescent, deeply cleft anteriorly; lobes 2, flabellate, serrate. Corolla rose, ca. 3.5 cm, glabrous; tube erect, ca. 1.8 cm; galea straight basally, strongly falcate apically, ca. 1.7 cm; beak barely 1 mm, apex truncate; lower lip ca. as long as galea, glabrous. Filaments sparsely pubescent. Fl. Oct, fr. Nov.

* Open hillsides; ca. 500 m. SW Guizhou.