the blooms, which are often with scent and collected in an inflorescence, have six petals. those are identical only in the genus "ferraria". the ovary is 3-locular and contains seeds which are usually circular and pellet-like. the members has the typical sword-shaped leaves and the rootstock is usually rhizome or corm. only two subgenera of "iris" have bulbs. these are "xiphium" and "hermodactyloides".