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Aquatic and Wetland Vascular Plants of the Northern Great Plains

45. Scrophulariaceae, the Figwort Family

8. Pedicularis L. -- Lousewort

2. Pedicularis lanceolata Michx.


Stems simple or few-branched, 3-6 dm tall, glabrous or ciliate on the margins of the leaf bases and onto the stem. Leaves mostly opposite, sessile or subsessile, oblanceolate to oblong or linear-lanceolate, 4-9 cm long, 1-2 cm wide, bluntly acute at the tip, pinnatifid and finely crenate, tapered to rounded at the base. Flowers sessile to subsessile in terminal and sometimes upper axillary spikes 2-10 cm long; bracts 3- to 5-lobed and crenate, the terminal lobe largest; calyx oblique, 9-12 mm long, including the 2 lateral crenate lobes which are 2-3 mm long; corolla 18-23 mm long, the upper lip entire. Capsule obliquely ovoid, mostly included by the calyx. Jul--Sep. Wet meadows, fens and springs, where water is fresh; n and e ND, e SD, n and e NE; (MA to ND, s to NC, MO and NE).
GIF- Distribution Map

Map key


Previous Section -- Pedicularis canadensis L.
Return to Family -- Scrophulariaceae - The Figwort Family
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