''Iris albicans'', also known as the cemetery iris, white cemetery iris, or the white flag iris, is a species of

iris Iris most often refers to: *Iris (anatomy), part of the eye *Iris (mythology), a Greek goddess * ''Iris'' (plant), a genus of flowering plants * Iris (color), an ambiguous color term Iris or IRIS may also refer to: Arts and media Fictional ent ...

which was planted on graves in Muslim regions and grows in many countries throughout the Middle East and northern Africa. It was later introduced to Spain, and then other European countries. It is a

natural hybrid In biology, a hybrid is the offspring resulting from combining the qualities of two organisms of different breeds, varieties, species or genera through sexual reproduction. Hybrids are not always intermediates between their parents (such as in ...

. It grows to 30–60 cm tall. The leaves are grey-green, and broadly sword-shaped. The inflorescence is fan-shaped and contains two or three fragrant flowers. The flowers are grey or silvery in bud, and are white or off-white and 8 cm wide in bloom. It is a sterile hybrid, and spreads by rhizomal growth and division, as it cannot produce seeds. ''Iris albicans'' has been cultivated since ancient times and may be the oldest iris in cultivation. Collected by Lange in 1860, it has been in cultivation since at least 1400 BC. Originating from

Yemen Yemen (; ar, ٱلْيَمَن, al-Yaman), officially the Republic of Yemen,, ) is a country in Western Asia. It is situated on the southern end of the Arabian Peninsula, and borders Saudi Arabia to the Saudi Arabia–Yemen border, north and ...

and

Saudi Arabia Saudi Arabia, officially the Kingdom of Saudi Arabia (KSA), is a country in Western Asia. It covers the bulk of the Arabian Peninsula, and has a land area of about , making it the fifth-largest country in Asia, the second-largest in the A ...

, it appears in a wall painting of the

Botanical Garden A botanical garden or botanic gardenThe terms ''botanic'' and ''botanical'' and ''garden'' or ''gardens'' are used more-or-less interchangeably, although the word ''botanic'' is generally reserved for the earlier, more traditional gardens, an ...

Tuthmosis III Thutmose III (variously also spelt Tuthmosis or Thothmes), sometimes called Thutmose the Great, was the sixth pharaoh of the Eighteenth Dynasty. Officially, Thutmose III ruled Egypt for almost 54 years and his reign is usually dated from 28 ...

in the Temple of Amun at

Karnak The Karnak Temple Complex, commonly known as Karnak (, which was originally derived from ar, خورنق ''Khurnaq'' "fortified village"), comprises a vast mix of decayed temples, pylons, chapels, and other buildings near Luxor, Egypt. Constr ...

in ancient Thebes dated around 1426 BC. ''Iris albicans'' is included in the

Tasmania ) , nickname = , image_map = Tasmania in Australia.svg , map_caption = Location of Tasmania in AustraliaCoordinates: , subdivision_type = Country , subdi ...

n Fire Service's list of low

flammability A combustible material is something that can burn (i.e., ''combust'') in air. A combustible material is flammable if it ignites easily at ambient temperatures. In other words, a combustible material ignites with some effort and a flammable mat ...

plants, indicating that it is suitable for growing within a building protection zone.

References

albicans Flora of Saudi Arabia Flora of Yemen Garden plants of Asia Hybrid plants {{Iridaceae-stub