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Iridaceae (/ ɪ r ɪ ˈ d eɪ s i ˌ aɪ,-s iː ˌ iː /) is a family of plants in order Asparagales, taking its name from the irises.It has a nearly global distribution, with 69 accepted genera with a total of c. 2500 species.
Iris xiphium, the Spanish Iris (also known as Dutch Iris) and; Iris latifolia, the English Iris. Despite the common names both the Spanish and English iris are of Spanish origin, and have very showy flowers, so they are popular with gardeners and florists. They are among the hardier bulbous irises, and can be grown in northern Europe.
Iris latifolia – English Iris; Iris lusitanica Ker Gawl. Iris rutherfordii M Rodriguez,P Vargas,M Carine and S Jury; Iris serotina Willk. in Willk. & Lange; Iris tingitana Boiss. & Reut. – (Morocco Iris) Iris xiphium syn. Iris x hollandica [2] – Spanish Iris, Dutch Iris, Small Bulbous-rooted Iris
Iris milesii. Irideae is a tribe included in the well-known family Iridaceae.It contains many species in five genera which are widely distributed in the Old World.The tribe derives its name from Iris, which is the largest genus of the tribe.
A number of plants have soil-level or above-ground rhizomes, including Iris species and many orchid species. T. Holm (1929) restricted the term rhizome to a horizontal, usually subterranean, stem that produces roots from its lower surface and green leaves from its apex, developed directly from the plumule of the embryo.
It contains the best-known genus - Iris. The members of this subfamily are widely distributed worldwide. They grow in all continents except Antarctica. Iris milesii. They produce typical sword-shaped leaves and have mainly corms or rhizomes. There are some exceptions which have bulbs. These are two subgenera of Iris - Xiphium and Hermodactyloides.
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The English names walking iris, apostle's iris and apostle plant have been used for many species, regardless of the generic placement (e.g. for Trimezia gracilis, syn. Neomarica gracilis). New plantlets form at the end of the flower spikes; after flowering, the spikes fall over and a new plant grows, so the plant "walks".