Oxyria digyna

Distribution: Alaska to California, east to Montana, Colorado and New Mexico; also across Canada to Labrador, and the Olympics in Washington

Habitat: Moist, usually rocky ground, alpine to subalpine

Flowers: Late June - August

Origin: Native

Conservation Status: Not of concern


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. 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.

E-Flora BC: Oxyria digyna atlas page.

CalPhotos: Oxyria digyna photos.

USDA Plants: Oxyria digyna information.

37 photographs:
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