Plants densely cespitose, caudex branched; leaves and scapes densely glandular. Stems 0.4-0.8 dm. Leaves: petiole 0.2-1 cm, 2-4 mm wide at base; blade obovate to broadly spatulate, 0.6-1.5(-2) cm × 4-8(-10) mm, base cuneate, margins coarsely dentate to subentire, apex acute. Racemes 6-16-flowered. Fruiting pedicels (proximal-most) 5-9(-12) mm. Flowers: sepals ovate, 2.5-3.5 × 1.2-1.7 mm, eglandular; petals lavender to purple, 6-7 × 3-5 mm, claw 2-3.5 mm, apex rounded; median filaments 2.5-3 mm; anthers 0.9-1 mm. Fruits obovate to oblong, 0.8-1.4(-1.7) cm × 5-7 mm; valves eglandular or sparsely glandular; ovules 6-8 per ovary; style 0.2-1 mm. Seeds 4-6 × 3.5-5 mm; wing 0.8-1.5 mm wide.

Flowering Jun. Marbleized impure carbonate landscapes, shallow decomposed granite slopes, outcrops and hogback ridges; 0-100 m; Alaska.

Parrya nauruaq is known from the Moon Mountains, Seward Peninsula.