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Iris mandshurica
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Iris mandshurica : ウィキペディア英語版
Iris mandshurica

''Iris mandshurica'' is a species in the genus ''Iris'', it is also in the subgenus of Iris and in the ''Psammiris'' section. It is a rhizomatous perennial, it is found in Russia, China,and Korea. It has green sword-like leaves, smooth green stem and yellow flowers, with yellow-purple (or maroon) veining and a yellow beard. It is cultivated as an ornamental plant in temperate regions.
==Description==
It is thought to be similar in form to ''Iris bloudowii'' and ''Iris humilis'', having a short rhizome (like ''Iris bloudowii'') and narrow, pointed spathes like ''Iris humilis''.
It has a short, thick rhizome.〔〔British Iris Society (1997) 〕〔(【引用サイトリンク】url=http://frps.eflora.cn/frps/Iris%20mandshurica )〕〔(【引用サイトリンク】url=http://efloras.org/florataxon.aspx?flora_id=2&taxon_id=200028190 )〕 It has branching, thick, fibrous and strong secondary stolons roots,〔〔〔〔(【引用サイトリンク】url=http://irisbotanique.over-blog.com/categorie-0.html&usg=ALkJrhh70LNmXSsW7XWSPOAq9g9rjg4IpQ )〕 which are yellow and white.〔 On top of the rhizome, are the brown, fibrous remains of old leaves.〔〔〔〔
It has green, ensiform (sword shaped) or lanceolate basal (growing from the base) leaves.〔〔 They are slightly bent or curved.〔〔 They can grow up to between long and 0.8–1 cm wide, at blooming time.〔〔〔〔 They then lengthen,〔 and by the time the iris has seed capsules, they are between long and 1.5 cm wide.〔〔 They have 2-4 longitudinal veins.〔〔
It has a smoother stem, that can reach up to between long.〔〔〔〔
The stem has 3 green, lanceolate, (scarious) membranous, spathes or bracts (leaves of the flower bud).〔〔〔〔 They are long and 1-1.8 cm wide.〔〔
It also has a small pedicel (flower stalk), between 6mm to 1 cm long.〔〔〔
The stems hold 1-2 terminal (top of stem) flowers,〔〔〔 blooming early in the season,〔〔(【引用サイトリンク】url=http://davesgarden.com/guides/pf/go/164533/#b )〕 in May.〔〔〔〔〔
The flowers are in diameter,〔〔〔 and yellow.〔〔〔〔〔〔〔〔(【引用サイトリンク】url=http://www.pacificbulbsociety.org/pbswiki/index.php/ArilIrises )
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,〔〔〔 with maroon,〔〔 brown,〔 or brown purple veining.〔〔〔 They are long and 1.5–2 cm wide.〔〔〔 In the centre of the petal, is a yellow beard.〔〔〔
The erect standards are long and narrow,〔〔 or oblanceolate,〔 they are up to long.〔〔〔
It has a 2-2.5 cm long, funnel-shaped perianth tube,〔〔〔 2 cm long stamens,〔〔〔 yellow anthers and a 1-1.2 cm long green, spindle-shaped, ovary.〔〔〔
It has long and flat, style branches that are 3 cm long and 4-5mm wide, they have a large lobed (or toothed) end.〔〔
After the iris has flowered, between June and August,〔〔 it produces a fusiform (spindle shaped) seed capsule.〔
Which is up to long and 1.5 cm wide, and has 6 longitudinal ribs and a long beak appendage (at the top).〔〔〔 It dehisces (splits open) below the apex.〔 The seeds have not been described.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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