Northern Prairie Wildlife Research Center
Aquatic and Wetland Vascular Plants of the Northern Great Plains
Pedicularis L. -- Lousewort
Erect perennials with opposite or alternate pinnatifid leaves and terminal,
bracteate spikes or spikelike racemes of yellow flowers. Calyx tubular
or campanulate, oblique, obscurely lobed or with 2 prominent lateral lobes;
corolla pale yellow, strongly irregular, bilabiate, the upper lip strongly
concave or arched, entire, sometimes with a pair of lateral teeth near the tip,
lower lip about equal to or shorter than the upper, with 2 longitudinal folds;
stamens 4, didynamous, included by the upper lip. Capsule ovate
to oblong, laterally flattened, loculicidally dehiscent, splitting only or mainly
along the upper side.
||Calyx entire or nearly so; upper lip of the corolla
with 2 lateral teeth near the tip.
||Calyx with 2 crenate, lateral lobes; upper lip of
the corolla entire.
45. Scrophulariaceae, the Figwort Family
8. Pedicularis L. -- Lousewort
- 1. Pedicularis canadensis L.
- 2. Pedicularis lanceolata Michx.
Return to Family -- Scrophulariaceae - The Figwort
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