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

256. Pedicularis debilis Franchet ex Maximowicz, Bull. Acad. Imp. Sci. Saint-Pétersbourg. 32: 549. 1888.

弱小马先蒿 ruo xiao ma xian hao

Pedicularis debilis

Credit: Harvard University Herbaria

Herbs annual, to 20 cm, some only 5--8 cm, finely pubescent, drying black. Roots fascicled, fibrous. Stems single, unbranched, with 2 lines of hairs. Leaves opposite, both basal and on stem; petiole slender, proximal ones 2--4.5 cm and wider, distal ones to 1--1.7 cm; leaf blade orbicular or ovate to oblong, 1.4--2.2 X 0.8--1.5 cm, abaxially glabrous, adaxially glabrescent, pinnatifid to pinnatipartite; segments 3--7 pairs, broadly ovate to lanceolate-ovate, pinnatifid or incised-double dentate. Inflorescences subcapitate; proximal bracts leaflike, distal ones triangular-ovate. Pedicel 4--8 mm. Calyx usually tinged with purplish red, 5.5--7 mm, sparsely pubescent, membranous; lobes 5, unequal, lateral lobes ± entire or 1--3-toothed. Corolla red, with dark purplish red galea; tube ca. 8.5 mm; galea bent at a right angle apically; beak horizontal, ± straight, 5.5--6.5 mm, slender; lower lip ca. 1 X 1--1.4 cm, long ciliate or glabrous, ± erose, middle lobe hoodlike. Filaments glabrous throughout.

* Forest margins; ca. 4000 m. NW Yunnan

1 Plants to 20 cm tall; leaf blade ovate to oblong, usually pinnatipartite; lower corolla lip long ciliate   256a subsp. debilis
+ Plants scarcely 5--8 cm tall; leaf blade orbicular, usually pinnatifid; lower corolla lip glabrous   256b subsp. debilior

Lower Taxa


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