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Hymenoxys grandiflora

Description Images

Authors: Torr.  

Botanical Description

Actinella grandiflora, Rydbergia grandiflora).

Tufted, from a branching rootstock or caudex. Leaves mostly basal, pinnatifid to bipinnatifid or sometimes only ternate, the lobes slender, white tomentose. Flowering stems with a few leaves, 10-30cm tall, generally monocarpic. Flowerheads solitary, 4.5-10cm across, rich yellow, summer. Idaho and Montana south to Utah and Colorado, in screes, gravelly grassland and rocky slopes up to 4000m.