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FOC | Family List | FOC Vol. 18 | Scrophulariaceae | Pedicularis

178. Pedicularis ludwigii Regel, Bull. Soc. Imp. Naturalistes Moscou. 41(1): 107. 1868.

小根马先蒿 xiao gen ma xian hao

Pedicularis leptorhiza F. Ruprecht.

Herbs annual, to 12 cm tall. Roots fusiform, slender. Stems single or 3--6 cespitose, erect, unbranched, with lines of hairs. Leaves opposite or in whorls of 3(--5); petiole 3--8 mm; leaf blade lanceolate to oblong-lanceolate, 1.5--2.2 cm X 3--5 mm, pinnatisect; segments 6 or 7 pairs, widely spaced, pinnatifid or incised-dentate. Inflorescences spicate, 1.8--3 cm, dense initially, becoming lax; proximal bracts leaflike, distal ones ca. as long as calyx apically, narrowly ovate. Calyx turgid campanulate, ca. 7.5 mm, membranous, hispidulous along veins; lobes 5, unequal, posterior one triangular and entire, lateral lobes serrate. Corolla purple, ca. 2 cm; tube erect basally, curved and expanded apically, more than 2 X as long as calyx; galea with a broadly conical and truncate beaklike tip; lower lip shorter than galea, spreading, wider than long, serrulate, lobes rounded, middle lobe smaller than lateral pair and projecting. 2 filaments pubescent, 2 glabrous; anthers apiculate. Fl. Jul--Aug.

Subalpine regions. Xinjiang [Kazakhstan, Kyrgyzstan, Tajikistan, Uzbekistan].


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