Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to Utah.
Habitat: Thickets and moist open places, from lowlands to mid elevations in mountains.
Flowers: May-August
Origin: Native
Growth Duration: Perennial
Conservation Status: Not of concern
Pollination: Bumblebees
Herbaceous perennial from a short, stout rhizome and fibrous roots, the solitary stems 2-8 dm. tall.
Leaves few, long-petiolate, alternate, large, the blades up to 2.5 dm. long and 1.5 dm. wide, pinnatifid into 7-11 sessile leaflets, crowded toward the top, spaced lower down; leaflets pointed and sharply toothed, with 4-8 teeth to a side, hairy on both sides.
Flowers in many-flowered, somewhat loose clusters, usually surpassing the leaves; calyx lobes 5, 3-6 mm. long with long hairs on the margins; corolla 6-10 mm. long, dull white 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.
Fruit a capsule.
Publication: Pl. World 1: 23. 1897.
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var. albifrons – Fendler's waterleaf
Occurring on both sides of the Cascades crest in Washington; southwestern British Columbia to California, east to northeastern Oregon and west-central Idaho. -
var. fendleri – Fendler's waterleaf Occurring east of the Cascades crest in southeastern Washington; southeastern Washington to northeastern Oregon, east to west-central Idaho, and the southern Rocky Mountains.
PNW Herbaria: Specimen records of Hydrophyllum fendleri in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Hydrophyllum fendleri checklist entry
OregonFlora: Hydrophyllum fendleri information
E-Flora BC: Hydrophyllum fendleri atlas page
CalPhotos: Hydrophyllum fendleri photos
