Northern Prairie Wildlife Research Center
Aquatic and Wetland Vascular Plants of the Northern Great Plains
45. Scrophulariaceae, the Figwort Family
8. Pedicularis L. -- Lousewort
1. Pedicularis canadensis L.
Plants loosely tufted with clustered stems 1-3 dm tall. Leaves
basal and cauline, alternate, the basal and lower leaves longer-petioled and
more prominent than the upper ones, the blades oblanceolate in outline,
3-6 cm long, 0.8-2.5 cm wide, rounded at the tip, pinnatifid with the lobes
crenate-margined, divided more than halfway to the midrib, tapered to the petiole.
Flowers sessile or subsessile, in dense spikes 2-15 cm long, the spike
axis densely pubescent; bracts obovate to oblanceolate, deciduous; calyx
very oblique, entire or nearly so, 6-9 mm long; corolla 17-25 mm long,
the upper lip with 2 lateral teeth near the tip. Capsule oblong, ca.
2X the length of the calyx. Late May--Jun. Wet meadows and low prairie, often
where sandy; e ND and e SD; (Que. and ME to Man., s to FL, TX, CO and into n
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Return to Family -- Scrophulariaceae
- The Figwort Family
Next Section -- Pedicularis lanceolata Michx.