Iris, commonly known as iris, is a beautiful ornamental flower. The rhizome is stolonic or massive, with thin and thick. Its flowers and leaves are mostly basal, arranged in two rows, with the shape of sword, strip or silk, and its veins parallel. Its flower stem basically grows directly from the underground without obvious aboveground stem. The outer curved perianth is petaloid, with long or short tubes, the style is branched and enlarged, petaloid and colored, and covered with stamens; the ovary is inferior, with many ovules, and the fruit is capsule.
Iris is a kind of orchid. There is an inconspicuous short stem. It has 5-6 leaves that are nearly basal, forming two rows of overlapping, flattened on both sides, and thick. Its special feature is that its scape protrudes directly from the leaf plexus, with a length of about 20-25cm, more than one time the length of the leaf; its petals are oval and oblong, with irregular rodent like teeth on the edge; its lip contour is wide oval or nearly semicircular, with three indistinct cracks.
Iris belongs to Magnolia, asparagia, Orchidaceae and iris, while iris belongs to monocotyledon, Liliaceae and iris. Apart from their similar names and the same genera, they are almost completely different.
