Page authors: Ben Legler, David Giblin
Cardamine angulata
angled bittercress, seaside bittercress

Distribution: Occurring west of the Cascades crest in Washington; Alaska to northern California.

Habitat: Wet ground, especially along stream banks, often in deep woods.

Flowers: April-June

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern


Perennial from spreading rhizomes, the simple stem 2-8 dm. tall, with stiff, simple hairs at least at the base.


Leaves mainly cauline, alternate, trifoliate, long-petiolate, the leaflets ovate to ovate-lanceolate, 1.5-7 cm. long, 3- to 5-lobed or toothed, short-petiolate, the terminal leaflet the largest.


Flowers in bractless racemes; pedicles ascending, 1-2 cm. long; sepals 4, oval, 2.5-3 mm. long, the outer pair saccate at the base; petals 4, white to pinkish, 8-13 mm. long, somewhat clawed; stamens 6; style 1.5-4 mm. long.


Siliques linear, erect, 2-4 cm. long and 2 mm. broad; seed in1 series.

Accepted Name:
Cardamine angulata Hook.
Publication: Fl. Bor.-Amer. 1: 44. 1829.

Synonyms & Misapplications:
Cardamine angulata Hook. var. alba Torr. & A. Gray
Cardamine angulata Hook. var. hirsuta O.E. Schulz
Cardamine angulata Hook. var. pentaphylla O.E. Schulz
Dentaria grandiflora Raf.
Additional Resources:

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

WA Flora Checklist: Cardamine angulata checklist entry.

OregonFlora: Cardamine angulata information.

E-Flora BC: Cardamine angulata atlas page.

CalPhotos: Cardamine angulata photos.

USDA Plants: Cardamine angulata information.

13 photographs:
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