Plants densely pubescent. 2n = 28.

Flowering Jul. Dry, often calcareous gravel, sand, and clay barrens, often on south-facing slopes; 0-200 m; Greenland; N.W.T., Nunavut.

Subspecies thorild-wulffii is known only from Axel Heiberg, Ellesmere, Melville, and Prince Patrick islands.