Page authors: Don Knoke, David Giblin
Hydrophyllum capitatum
wool breeches, ballhead waterleaf
Specimens
Photos

Distribution: Occurring mostly east of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains.

Habitat: Moist, open slopes and woodlands, foothills to middle elevations in the mountains.

Flowers: March-July

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern

Description:
General:

Herbaceous, hairy, low perennial from a short rhizome and fibrous roots, the leaves usually surpassing the flowers.

Leaves:

Leaves few, long-petiolate, alternate, all attached near the base; leaf blades up to 1 dm. wide and 1.5 dm. long, pinnatifid into 7-11 sessile leaflets, crowded toward the top, spaced lower down, deeply lobed, the lobes uneven, rounded or pointed.

Flowers:

Flowers in compact, globose clusters with short peduncles; calyx divided to near the base, hairy; corolla 5-9 mm. long, 5-lobed, blue-purple to lavender; stamens 5, the filaments exerted, attached near the bottom of the corolla tube, each flanked by a pair of linear appendages; style exerted, 2-cleft.

Fruits:

Fruit a capsule.

Accepted Name:
Hydrophyllum capitatum Douglas ex Benth.
Publication: Trans. Linn. Soc. London 17(2): 273. 1835.

Synonyms & Misapplications:
(none provided)
Infraspecies:
Additional Resources:

PNW Herbaria: Specimen records of Hydrophyllum capitatum in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Hydrophyllum capitatum checklist entry.

OregonFlora: Hydrophyllum capitatum information.

E-Flora BC: Hydrophyllum capitatum atlas page.

CalPhotos: Hydrophyllum capitatum photos.

USDA Plants: Hydrophyllum capitatum information.

97 photographs:
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