Claytonia tuberosa, commonly known as Beringian springbeauty, Eskimo potato, or tuberous springbeauty, (Inupiaq: oatkuk, ulqit, utqiq, ulqiq) is a species of flowering plant in the family Montiaceae. It is a perennial herb indigenous to Alaska, British Columbia, Northwest Territories, and the Yukon of North America, westward to East Asia–Siberia. The perennial grows from a globose tuberous root to a height of 15 centimetres (6 in) and bears several hermaphrodite white flowers on stems bearing a single pair of petiolate cauline leaves. Its closest relative is probably Claytonia virginica.

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