Iris may be rhizomatous or bulbous perennials, with narrow leaves and erect stems bearing flowers with 3 large spreading or pendent fall petals, alternating with 3 erect, often smaller, standard petals, in late winter, spring or early summer
Name Status
Accepted
Horticultural Group
Louisiana Hybrid irises are rhizomatous perennials with beardless flowers 7-20cm across, borne several to each stem in spring and early summer