Iris gracilipes is a broadleaf deciduous perennial bulb / corm / tuber with green foliage. In spring purple flowers emerge. Features grassy texture. Grows well with mostly shade and regular water. Does well in average and well-drained soil. A good option if you're seeking something verticillium wilt resistant.
Irish gracilipes is a charming woodland iris from Japan with grassy leaves and showy deep purple flowers. The wild type has pale purple flowers. Great trough or rock garden subject or as a small-scale groundcover.