Iris tubergeniana (also commonly known as ) is a species in the genus Iris, it is also in the subgenus of Scorpiris. It is a bulbous perennial
It was published by Sir Michael Foster as 'Iris tubergeniana' in Gardeners Chronicles, Series 3 in 1899.
In 1941, Alexi Vvedenski published it as 'Juno tubergeniana' in 'Flora Uzbekistan' (edited by Schreder). This was later re-classified as a synonym.
It was introduced by the company of 'Van Tubergen' from Haarlem, the Netherlands. It was then named after the company.
Iris tubergeniana is now an accepted name by the RHS.
It was also cited in 'The Plantsman' in 2003, on page 54.
It is better grown in an alpine house, but it could be grown outside in sunny sheltered sites.
Iris tubergeniana has a similar form to Iris orchioides and Iris caucasica.
It has a slender bulb, about 2 cm thick. With cord-like roots.
The short flowering stem is about 10–15 cm (4 in) high at flowering time.
It has 1-3 flowers, blooming between March and April, which are unscented.
It has a perianth tube measuring between 4.5–5 cm long, which is tinged slightlly greenish purple.
It has (5.6 cm wide) flowers, in shades of yellow, from deep yellow to bright yellow to greenish-yellow.
The falls are about 1.5in long, and have a frilled, dissected beard-like crest with violet-green spots on the sides of the ridge. It has very small standards (about 10 mm).
It has generally about 6 leaves, 2.5-3in tall, 0.5-2in wide (1.5-2.5 cm) at the widest point, which are almost fully mature at flowering time.
They are pale green - light glaucous green, pointed or sickle shaped, striated, with a margin. The margin is scabrous/horned.
It has (capsule) fruits in late spring-early summer.
Iris tubergeniana is found in Central Asia and the former states of USSR, Uzbekistan, Tajikistan and Turkestan.
They prefer the red clay and gravelly slopes of the foothills of mountains.
Can be found on Mount Chimgan in Tajikistan, on Karatau in Kazakhstan and beside the river Syr Darya in Uzbekistan.
Can be found near the town of Dzabaghly near the Aksu Canyon in the Tien Shen Mountains.
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