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''Iris perrieri'' is a species in the genus ''Iris'', it is also in the subgenus of Iris. It is a rhizomatous perennial, from the Savoy Alps in southern France and recently in Italy. It has green, deeply ribbed, sickle shaped leaves, a slender stem with a branch (from the middle), 1-3 scented flowers that are violet or purple, with a white or pale blue beard. It is rarely cultivated as an ornamental plant in temperate regions, due to its rarity in the wild. It was once thought to be a form of ''Iris aphylla'', before cell (chromosome) analysis determined it to be a separate species. ==Description== It is similar in form to ''Iris aphylla'', but has various differences including, stem branching, spathes, the falls, styles crests and seeds.〔British Iris Society (1997) 〕 It has a thick,〔(【引用サイトリンク】url=http://irisbotanique.over-blog.com/article-chapitre-i-les-iris-rhizomateux-partie-2-123788250.h )〕 compact rhizome,〔 that has several branching buds.〔 Like other bearded irises, it grows partially buried, horizontally across the ground.〔(【引用サイトリンク】url=http://monerbier.canalblog.com/archives/2013/06/17/27450983.html )〕 It has green, falcate (sickle-shaped) leaves,〔〔〔 that are very heavily ribbed,〔 so much so that they appear corrugated or pleated.〔〔 They can grow up to between long,〔〔 and between 2.0 and 2.4 cm wide.〔〔〔 They are shorter than ''Iris aphylla''.〔 It has a slender stem or peduncle,〔〔 that can grow up to between tall.〔 Compared to ''Iris aphylla'', it branches (or pedicels) from the middle of the stem,〔〔 (on ''Iris aphylla'', it branches close to the base or rhizome,〔) it very rarely has 2 branches.〔〔 The stem has green,〔 inflated, spathe (leaf of the flower bud), They are between long.〔〔 They also remain green, after the plant has flowered,〔〔 unlike some others which turn papery. The large spathe leaf, partially, encases the perianth tube.〔 If the plant does not have a branch, it only has 1 spathe.〔 The stem (and the branch) can hold between 1 to 3 flowers,〔〔〔 but normally 2 flowers,〔 blooming between April to May.〔〔 The fragrant flowers,〔 come in shades of violet,〔〔〔 or purple.〔〔〔(【引用サイトリンク】url=http://www.mrsntorino.it/cms/vai-all-archivio/Eventi/1060-le-iris-tra-botanica-e-storia )〕 Like other irises, it has 2 pairs of petals, 3 large sepals (outer petals), known as the 'falls' and 3 inner, smaller petals (or tepals), known as the 'standards'. The falls are obovate to cuneate (wedge shaped),〔〔 and long, and 2.2–3 cm wide.〔〔 They have lots of dark veining,〔〔 and in the centre, there is a row of short hairs, a 'beard', which are white or pale blue. Near to the stem, the beard has a yellow 〔 or orange tip.〔 The standards are oblong shaped, and a similar length to the falls,〔 long, and 2.2–3 cm wide.〔 It has a 6 grooved and rounded ovary,〔〔 which is 1.2-1.4 cm long and 0.5-0.6 cm wide.〔 It has a perianth tube is 1.7–2 cm long,〔〔 the style branch is normally pale violet with darker keels (connecting points) and 1-1.6 cm long.〔 It also has a pale violet filament, which is 1.2-1.7 cm long and a 1-1.2 cm long anther.〔 After the iris has flowered, in mid June,〔 it produces an oblong shaped seed capsule, which is visibly grooved.〔 Inside the capsule, are pyriform (pear shaped), reddish brown and wrinkled seeds.〔〔 The seeds are dispersed by animals or grow up near to the parent plants.〔 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 perrieri」の詳細全文を読む スポンサード リンク
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