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}} ''Iris rosenbachiana'' is a species in the genus ''Iris'', it is also in the subgenus of ''Xiphium''. It is a bulbous perennial. It was first published by Regel in 'Trudy Imperatorskago St. Peterburgskago Botaniceskago Sada' Vol3 in 1884. The name is derived from that of the Russian governor of Turkestan where the bulb was found. ''Iris rosenbachiana'' is now the accepted name by the RHS.〔(【引用サイトリンク】url=https://www.rhs.org.uk/Plants/22520/Iris-rosenbachiana/Details )〕 Note, ''Iris rosenbachiana'' var. ''baldshuanica'' is a synonym of ''Iris baldshuanica''.〔(【引用サイトリンク】 url=http://www.gbif.org/species/120905751 )〕 This species is similar to ''Iris nicolai'' both in cultural requirements and form. It prefers to grow in well drained soils, that have a stony composition including dolimitic lime dust. They like summer drought and well ventilated positions. It is difficult to grow outside in the UK, so best cultivated in an alpine house or bulb frame. ==Habit== Iris rosenbachiana, is though to be in the same 'physocaulon' group of junos, along with Irises kopetdagensis, Iris leptorrhiza, Iris popovii, Iris nicolai, Iris baldschuanica and Iris zaprjagajevii. Because they all have short thick storage tubers which come to a point, and they have an extra side bulb in addition to the bulb which produces the flowers and leaves.〔 The iris is one the first Juno irises to appear in mild winters of Washington, D.C. in the USA, flowering in late February.〔Benjamin Yeo Morrison 〕 But it can also flower in March in USDA Zone 7 gardens. In the UK, it blooms between March and April.〔 It grows up between to 10–15 cm (4–6 in) tall.〔 It has deeply sweet scented flowers. It has between 1-3 flowers per stem,〔 which are long tubed and about 4–5 cm (1.5–2 in) wide.〔 The flowers are variable in colour, but are generally of rosy lavender with markings of darker purple and gold.〔 But they can range from deep purple, deep rich purple, light purple,〔 pale mauve to white.〔〔(【引用サイトリンク】 url=http://rareplants.co.uk/product.asp?P_ID=1365&strPageHistory=related )〕 It has small down-turned rich purple standards and reddish purple falls, each with an orange〔〔〔 or yellow ridge or crest in the centre.〔〔 It has yellow-orange pollen.〔 It has lance-shaped, channelled, mid-green leaves formed from a basal tuft.〔 The multiple leaves,〔 grow at the same time as the short flower stem.〔〔 The iris has a seed that has an aril.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Iris rosenbachiana」の詳細全文を読む スポンサード リンク
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