Dioecious (staminates and pistillates in equal frequencies in populations). Plants 7.5-14 cm. Stolons 0.5-1 cm. Cauline leaves 4-20 mm. Heads 2-6. Involucres: staminate 4-6.5 mm; pistillate 5.5-7 mm. Corollas: staminate 2.5-3 mm; pistillate 3-4.5 mm. Cypselae 1.2-1.8 mm; pappi: staminate 3-4 mm; pistillate 3.5-5 mm. 2n = 28, 56.

Flowering summer. Arctic and alpine tundra, on or near dry rocky outcrops or sand ridges; 500-1500 m; N.W.T.. Yukon; Alaska.

Subspecies alaskana is dioecious (sexual) and known from Alaska and cordilleran areas of northern Yukon and adjacent Northwest Territories (R. J. Bayer 1991, 1993. . It is a probable progenitor of the Antennaria alpina complex.