Page author: David Giblin
Oxyria digyna

Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains; also east across Canada to Labrador.

Habitat: Moist, usually rocky ground, subalpine to alpine areas.

Flowers: June-August

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern

Pollination: Bees, flies, wasps


Glabrous, reddish-tinged, strongly acrid-juiced perennial 1-4 dm. tall.


Mostly basal, with a petiole 4-8 cm. long, the blade kidney-shaped to heart-shaped, 1-5 cm. broad, with reddish sheathing stipules.


Flowering stems several, usually with one leaf below the inflorescence; panicle 5-15 cm. long, the flowers crowded, several per bract, with pedicles 1-3 mm. long; 4-parted perianth about 1.5 mm. long, 2 of the segments narrow and strongly keeled, the other two erect, oblong-obovate, plane.


Prominently winged, much compressed, oval, 4-6 mm broad.

Accepted Name:
Oxyria digyna (L.) Hill
Publication: Hort. Kew. 158. 1768.

Synonyms & Misapplications:
Rumex digynus L.
Additional Resources:

PNW Herbaria: Specimen records of Oxyria digyna in the Consortium of Pacific Northwest Herbaria database

WA Flora Checklist: Oxyria digyna checklist entry

OregonFlora: Oxyria digyna information

E-Flora BC: Oxyria digyna atlas page

CalPhotos: Oxyria digyna photos

43 photographs:
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