Iris tubergeniana
From Kazakhstan Encyclopedia
Template:Italic titleTemplate:Taxobox 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.[1]
In 1941, Alexi Vvedenski published it as 'Juno tubergeniana' in 'Flora Uzbekistan' (edited by Schreder).[2] 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.[3]
Iris tubergeniana is now an accepted name by the RHS.[4]
It was also cited in 'The Plantsman' in 2003, on page 54.[4]
It is better grown in an alpine house, but it could be grown outside in sunny sheltered sites.[5]
Contents
Habit
Iris tubergeniana has a similar form to Iris orchioides and Iris caucasica.[6]
It has a slender bulb,[6] about 2 cm thick.[7] With cord-like roots.[3]
The short flowering stem is about 10–15 cm (4 in) high at flowering time.[3][6][7]
It has 1-3 flowers,[3][8] blooming between March and April,[7][9] which are unscented.[3][7]
It has a perianth tube measuring between 4.5–5 cm long, which is tinged slightlly greenish purple.[3] It has (5.6 cm wide) flowers,[3][5] in shades of yellow, from deep yellow[8] to bright yellow[3] to greenish-yellow.[9]
The falls are about 1.5in long,[6] and have a frilled, dissected beard-like crest[10] with violet-green spots on the sides of the ridge.[5][7] It has very small standards (about 10 mm).[3][6]
It has generally about 6 leaves, 2.5-3in tall, 0.5-2in wide (1.5-2.5 cm) at the widest point,[3][6][7] which are almost fully mature at flowering time.[5] They are pale green[7] - light glaucous green, pointed or sickle shaped,[3] striated, with a margin.[6] The margin is scabrous/horned.[7]
It has (capsule) fruits in late spring-early summer.[3]
Native
Iris tubergeniana is found in Central Asia and the former states of USSR,[5][8] Uzbekistan, Tajikistan and Turkestan.[5][11]
They prefer the red clay and gravelly slopes of the foothills of mountains.[5][7][9]
Can be found on Mount Chimgan in Tajikistan,[12] on Karatau in Kazakhstan[3] and beside the river Syr Darya in Uzbekistan.[10]
Can be found near the town of Dzabaghly near the Aksu Canyon in the Tien Shen Mountains.[13]
References
External links
- Image of Iris tubergeniana appears on the cover
- Image of Iris tubergeniana on Ugam ridge in Kazakhstan
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