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''Iris narcissiflora'' is a species in the genus ''Iris'', it is also in the subgenus of Iris and in the ''Pseudoregelia section''. It is a rhizomatous perennial, from China. It has pale green, thin, sword-shaped leaves, medium-long slender stem and 1 yellow flower. It is cultivated as an ornamental plant in temperate regions. ==Description== It has short, fibrous rhizomes.〔(【引用サイトリンク】url=http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=200028193 )〕〔(【引用サイトリンク】url=http://irisbotanique.over-blog.com/ )〕 That has secondary roots or slender stolons.〔〔 It has pale green and linear leaves, that are sword-shaped and can grow up to between long,〔〔 and between 0.2 and 0.3 cm wide.〔 They do not have a midvein.〔 The deciduous leaves, disappear in winter or after flowering.〔 It has a slender stem, that can grow up to between tall.〔(【引用サイトリンク】url=http://www.vivaiozanelli.com/catalogo/erbacee-perenni/iris-narcissiflora/ )〕〔(【引用サイトリンク】url=http://www.cgf.net/plantdetails.aspx?id=7795 )〕 The stem has 2 purplish-green, lanceolate spathe (leaves of the flower bud). They can grow up to between long and 1.2 cm wide.〔 The stems hold 1 terminal (top of stem) flower,〔 blooming between April and May.〔〔〔 The flat looking flower is in diameter, and is yellow.〔〔〔 It has a perianth tube that is 3 – 4 mm long.〔 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 elliptic or obovate (ovate with the narrower end at the base) in shape, they are long and 2.5 cm wide.〔 In the centre of the petal, is a narrow, sparse beard.〔〔〔 The standards are narrow and ovate (oval-like) shaped, they are 2.8 cm long and 1.6 cm wide.〔 It has 1.3 cm long stamens, 1.5 cm long ovary. It has a 1.5 cm long and 8 mm wide, spreading style branch, that has irregularly toothed lobes.〔 After the iris has flowered, it produces a seed capsule between June and August.〔 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 narcissiflora」の詳細全文を読む スポンサード リンク
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