Papaver walpolei var. sulphureo-maculata Hultén

Plants densely cespitose, to 1(-2) dm. Leaves to 4 cm; petiole to 3/4 length of leaf; blade light green abaxially, dark green adaxially, sometimes glaucous, short-lanceolate, unlobed or 1×-lobed with 1(-2) pair(s) of lateral lobes, glabrous adaxially; terminal lobe rarely with small secondary lobes, apex rounded. Inflorescences: scapes erect, glabrate to hispid. Flowers to 3 cm diam.; petals yellow, or white with yellow basal spot; anthers yellow; stigmas 4-5, disc convex. Capsules turbinate to ellipsoid-obovoid, to 1 cm, sparsely to densely hirsute, trichomes light brown to black. 2 n = 14.

Flowering late May-Aug. Exposed tundra uplands, especially calcareous fellfield and river gravels; 0-900 m; Yukon; Alaska; Asia (Russian Far East, Chukotka).