Perennial tufted, bulbous herb to about 0.75 m; stems smooth. Leaves mostly basal, alternate, linear, keeled. Inflorescence a many-flowered raceme. Flowers flat bowl-shaped; summer. Tepals to 8 mm long, white to pale yellow, toothed; nectary pair fused together, yellow.

N America.

Source: Conran, J. (2005). Melanthiaceae. In: Spencer, R.. Horticultural Flora of South-eastern Australia. Volume 5. Flowering plants. Monocotyledons. The identification of garden and cultivated plants. University of New South Wales Press. (as Zigadenus nuttallii)