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I. orientalis Miller
(Syn.
I. ochroleuca)

This is the middle-eastern Spuria iris which is best known as I. ochroleuca but this name is unfortunately later and therefore unacceptable under the International Rules of Nomenclature.  It is a robust plant growing about 40-90cm in height with the basal leaves l-2cm wide. There is usually one branch to the inflorescence, sometimes more, and it is held close to the main stem. The papery bracts enclose several flowers, opening in succession, and these are about 8-10cm in diameter. It is scarcely variable in colour being almost wholly white except for a large yellow signal area on the orbicular blade of the falls. This blade is up to 3cm in diameter and is abruptly narrowed to a slender haft which is sometimes a little pubescent and is longer than the blade. The erect standards and style branches are white.


I orientalis 04.JPG (35093 bytes)

Click on thumbnails to see a larger Photo


I orientalis 05.JPG (39754 bytes)

Although I. orientalis is said to have been collected in Yugoslavia it does not appear to grow there naturally and it must be assumed that this is either an error or refers to a naturalized or cultivated specimen. Its distribution is mainly in Turkey , apparently not occurring farther east than Kayseri in the centre of the country. 

It is also recorded in the eastern Aegean Islands of Samos and Lesbos, and there is a small outlying area in north-eastern Greece. Like several of the Spuria species it is primarily a plant of saline soils, often seen growing in a narrow band along the edges of irrigation channels or on marshy ground, usually at low altitudes of about l50-1030 metres. In the garden it is an easily grown and free flowering species requiring only a reasonably sunny position.

Text taken from The Iris by Brian Mathew, reprinted 1989, pages 114-115.
Pictures courtesy of Nancy Price and Dave Silverberg. 

Pictures were taken at a public Park & Ride on Barbur Blvd in Portland, Oregon .  Note in one of the distant pictures that the dark foliaged Plum trees are shading several of the spuria plantings.  Because of the difference in the amount of sunlight being received, the shaded plantings are not growing as well as the other plantings.

 
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