| | Oxyria digyna (L.) Hill |
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| Family | Polygonaceae — APG family: Polygonaceae |
| Synonyms | Rumex digynus L. |
| Common name | mountain sorrel |
| Description | Stems up to 35 cm tall, usually shorter, from stout rootstock; leaves reniform, long-petiolated, basal; 2 outer sepals broad and flat, the 2 inner appressed, boat- shaped, about half as broad; stamens 6; fruit with red wing about as broad as body. |
| Ecology | Wet places, snow beds, in mountains and on tundra, in the Yukon to over 2,000 meters, in the Brooks Range to over 1,000 meters. Described from Lapland, Wallis (Switzerland). |
| Uses | The leaves, but not the root, can be eaten raw. |
