Stigma double-toothed. Capsules 3-angled and with 6 ribs; seeds with a loose shiny covering. Rhizomes woody.

These irises are in series Spuriae of subgenus Limniris.

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.