Anemone narcissiflora var. zephyra

Aerial shoots 7-40 cm. Basal leaves 3-7; petiole (4-)5-10(-15) cm; leaflets glabrous, sparsely pilose, or villous; lateral leaflets 2(-3)×-lobed; ultimate lobes 3-8 mm wide. Inflorescences 2-3(-4)-flowered umbels or flowers solitary; peduncle pilose or villous; involucral bracts obtriangular, 3-cleft, (1.5-)2.5-5 cm, surfaces glabrous, sparsely pilose, or villous; lateral segments unlobed. Flowers: sepals 5-9, yellow or yellowish; stamens 40-60. Pedicels 5-10 cm in fruit. Achenes: body ca. 5 mm.

Flowering summer (Jun-Aug). Forest margins, alpine meadows; 2700-4000 m; Colo., Wyo.