马克逊马先蒿 ma ke son ma xian hao

Pedicularis sabaensis Bonati; P. trigonophylla Handel-Mazzetti.

Herbs annual, 12--16 cm tall. Stems erect, many branched, with short internodes usually less than 3 cm, glabrous except for inflorescences. Stem leaves opposite, ± sessile throughout, glabrous; leaf blade ovate to lanceolate, 6--8 X 5--6 mm, pinnatifid; segments linear, incised-dentate. Inflorescences spicate, usually many flowered, dense; bracts triangular or flabellate, palmatilobate. Calyx 5--6 mm, pubescent; lobes 5, unequal, posterior one lanceolate and shorter, lateral lobes deeply serrate lobed. Corolla purple; tube ca. 1 cm, glabrous or finely pubescent; galea bent at a right angle apically; beak linear, 8--10 mm; lower lip ca. as long as galea, long ciliate, middle lobe ovate, much projecting, hoodlike apically. Filaments glabrous throughout. Fl. Aug--Sep, fr. Sep--Oct.

* Alpine meadows; ca. 3000 m. NW Yunnan.