Iris tubergeniana

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.<ref>Template:Cite web</ref>

In 1941, Alexi Vvedenski published it as 'Juno tubergeniana' in 'Flora Uzbekistan' (edited by Schreder).<ref>Template:Cite web</ref> 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.<ref name=onego>Template:Cite web</ref>

Iris tubergeniana is now an accepted name by the RHS.<ref name=RHS>Template:Cite web</ref>

It was also cited in 'The Plantsman' in 2003, on page 54.<ref name=RHS/>

It is better grown in an alpine house, but it could be grown outside in sunny sheltered sites.<ref name=alpine>Template:Cite web</ref>

Habit

Iris tubergeniana has a similar form to Iris orchioides and Iris caucasica.<ref name=Lynch>Richard Lynch Template:Google books</ref>

It has a slender bulb,<ref name=Lynch/> about 2 cm thick.<ref name=FloraofUSSR>Template:Cite web</ref> With cord-like roots.<ref name=onego/>

The short flowering stem is about 10–15 cm (4 in) high at flowering time.<ref name=onego/><ref name=Lynch/><ref name=FloraofUSSR/>

It has 1-3 flowers,<ref name=onego/><ref name=cassidy>Template:Cite book</ref> blooming between March and April,<ref name=FloraofUSSR/><ref name=pacific>Template:Cite web</ref> which are unscented.<ref name=onego/><ref name=FloraofUSSR/>

It has a perianth tube measuring between 4.5–5 cm long, which is tinged slightlly greenish purple.<ref name=onego/> It has (5.6 cm wide) flowers,<ref name=onego/><ref name=alpine/> in shades of yellow, from deep yellow<ref name=cassidy/> to bright yellow<ref name=onego/> to greenish-yellow.<ref name=pacific/>

The falls are about 1.5in long,<ref name=Lynch/> and have a frilled, dissected beard-like crest<ref name=signa>Template:Cite web</ref> with violet-green spots on the sides of the ridge.<ref name=alpine/><ref name=FloraofUSSR/> It has very small standards (about 10 mm).<ref name=onego/><ref name=Lynch/>

It has generally about 6 leaves, 2.5-3in tall, 0.5-2in wide (1.5-2.5 cm) at the widest point,<ref name=onego/><ref name=Lynch/><ref name=FloraofUSSR/> which are almost fully mature at flowering time.<ref name=alpine/> They are pale green<ref name=FloraofUSSR/> - light glaucous green, pointed or sickle shaped,<ref name=onego/> striated, with a margin.<ref name=Lynch/> The margin is scabrous/horned.<ref name=FloraofUSSR/>

It has (capsule) fruits in late spring-early summer.<ref name=onego/>

Native

Iris tubergeniana is found in Central Asia and the former states of USSR,<ref name=alpine/><ref name=cassidy/> Uzbekistan, Tajikistan and Turkestan.<ref name=alpine/><ref>Template:Cite web</ref>

They prefer the red clay and gravelly slopes of the foothills of mountains.<ref name=alpine/><ref name=FloraofUSSR /><ref name=pacific/>

Can be found on Mount Chimgan in Tajikistan,<ref>Template:Cite web</ref> on Karatau in Kazakhstan<ref name=onego/> and beside the river Syr Darya in Uzbekistan.<ref name=signa/>

Can be found near the town of Dzabaghly near the Aksu Canyon in the Tien Shen Mountains.<ref>Template:Cite web</ref>

External links

• Image of Iris tubergeniana appears on the cover
• Image of Iris tubergeniana on Ugam ridge in Kazakhstan