Page authors: Ben Legler, David Giblin
Cardamine cordifolia
heart-leaved bittercress, large mountain bittercress, Lyall's bittercress
WTU specimens
Other herbaria

Distribution: In the Cascades, but not the Olympic Mountains, in Washington; British Columbia south to California, east to Idaho.

Habitat: Streambanks and moist meadows in the mountains.

Flowers: June-September

Origin: Native

Conservation Status: Not of concern

Description:
General:

Perennial herb to 60 cm tall from creeping rhizomes.

Leaves:

Alternate, simple, broadly rounded, to 10 cm across.

Flowers:

White, with 4 petals; in clusters at stem tips.

Fruits:

Narrow capsules (siliques) to around 3 cm long.

Identification Notes:

Easily distinguished from our other Cardamine species by its simple broadly rounded leaves, white petals, and robust size.

Accepted Name:
Cardamine cordifolia A. Gray
Publication: Mem. Amer. Acad. Arts, n. s. 4: 8. 1849. 1849.

Synonyms & Misapplications:
Cardamine cordifolia A. Gray var. cordifolia [HC]
Cardamine cordifolia A. Gray var. lyallii (S. Watson) A. Nelson & J.F. Macbr. [HC]
Cardamine lyallii S. Watson
Additional Resources:

PNW Herbaria: Specimen records of Cardamine cordifolia in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Cardamine cordifolia checklist entry.

E-Flora BC: Cardamine cordifolia atlas page.

CalPhotos: Cardamine cordifolia photos.

USDA Plants: Cardamine cordifolia information.

7 photographs:
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