Iris rossii, the long-tail iris, is a beardless iris in the genus Iris, in the subgenus Limniris and in the series Chinenses of the genus. It is a rhizomatous herbaceous perennial from Japan, Korea and China. It has narrow, grass-like leaves, short stems and 1 or 2 purple-violet flowers.
Iris rossii is similar in form to Iris ruthenica.It has slender, tough, reddish-brown, creeping rhizomes. Under the rhizome, are long secondary roots growing into the soil, looking for nutrients and water.
They have ...