Stems 20-60 cm tall, branched, flattened. Leaves basal, much shorter than stems, 3-5 mm wide. Spathes very unequal. Flowers pale to dark-blue with yellow centre, 20-25 mm wide; late spring, continuing through summer. Segments about 15 mm long, wedge-shaped, blunt with a tiny point in a notch at the tip.

California, Oregon.

Source: Cooke, D. (2005). Iridaceae. 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.