Iris may be rhizomatous or bulbous perennials, with narrowly 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
Intermediate Bearded irises are deciduous rhizomatous perennials, growing between 40 and 70cm tall, with sword-shaped light glaucous green leaves and erect stems bearing flowers 10-13cm across, bearded on the falls, in late spring and early summer
'Langport Wren' grows to 70cm in height, with glaucous green foliage and stems bearing up to 4 flowers, with rich reddish-purple standards and deep maroon falls, dull greenish-yellow by the dark red-tipped beard