Page author: David Giblin
Pedicularis bracteosa
bracted lousewort
WTU specimens
Other herbaria

Distribution: Widely distributed throughout the mountainous areas of Washington; British Columbia south to California, east to Montana, Colorado and New Mexico.

Habitat: Common in open forests at moderate to high elevations in the mountains.

Flowers: June-August

Origin: Native

Conservation Status: Not of concern

Description:
General:

Erect perennial from coarse, fibrous roots, the stems usually simple, several from the base, up to 1 m. tall; herbage glabrous below the inflorescence.

Leaves:

Cauline leaves alternate, numerous, short-petiolate or sessile, pinnatifid, the principal segments distinct, linear-oblong to lanceolate, 1-7 cm. long, somewhat incised and again finely serrate; uppermost leaf segments smaller; basal leaves similar, but with longer petioles, or wanting.

Flowers:

Inflorescence a dense, spike-like raceme; calyx lobes 5, the upper much the shortest, the others partly attached into 2 lateral segments; corolla 13-21 mm. long, purple or red to bronze or yellow, bilabiate, the upper lip beakless, hooded, enclosing the 4 stamens, about as long as the tube; the lower lip much shorter, 3-lobed; stigma capitate.

Fruits:

Capsule glabrous, flattened, curved.

Accepted Name:
Pedicularis bracteosa Benth.

Synonyms & Misapplications:
(none provided)
Infraspecies:
var. atrosanguinea – bracted lousewort    Endemic to Olympic Mountains and Vancouver Island.
var. bracteosa – bracted lousewort    British Columbia to Oregon, east to Idaho, Alberta and Montana
var. flavida – bracted lousewort
var. latifolia – bracted lousewort    In the Cascades of Washington and southern British Columbia, and northern Idaho
var. pachyrhiza – bracted lousewort
var. siifolia – bracted lousewort
Additional Resources:

PNW Herbaria: Specimen records of Pedicularis bracteosa in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Pedicularis bracteosa checklist entry.

E-Flora BC: Pedicularis bracteosa atlas page.

CalPhotos: Pedicularis bracteosa photos.

USDA Plants: Pedicularis bracteosa information.

96 photographs:
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