玛丽马先蒿 ma li ma xian hao

Herbs perennial, ca. 20 cm tall. Stems erect, unbranched, sparsely pubescent. Leaves alternate, glabrous; basal and proximal stem leaves petiolate; leaf blade oblong, pinnatisect; segments ovate or oblong, pinnatilobate or pectinate-dentate. Inflorescences racemose, dense initially, becoming lax; bracts ovate basally, 3--5-lobed, long pubescent, serrate or entire, distal ones obovate-cuneate to oblong-cuneate; lobes 3, entire. Calyx tube 5-angular; lobes 5, unequal, lanceolate, less than 1/2 as long as tube, 2 pairs of lateral lobes connivent; entire or serrate. Corolla yellow, ca. 2 X as long as calyx; galea ± erect; beakless, apex rounded; lower lip ca. as long as galea, ciliate. Filaments glabrous. Capsule obliquely oblong, 1.3--1.5 cm. Fl. May--Aug, fr. Jun--Sep.

Xinjiang [Kazakhstan].