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}} ''Iris odaesanensis'' is a beardless iris in the genus ''Iris'', in the subgenus ''Limniris'' and in the ''Chinenses series'' of the species. It is a rhizomatous herbaceous perennial from China and eastern Korea. It has blue-green grass-like leaves, short stem, 1 or 2 fragrant, white or off-white flowers in spring to early summer. It is a rare plant in the wild, but it is cultivated in east Asia. ==Description== ''Iris odaesanensis'' growth is more vigorous than ''Iris minutoaurea'' and ''Iris koreana''.〔 It has small, slender rhizome measuring about 1 cm long and 0.5 cm wide, it spreads by growing many stolons or branches.〔〔〔〔 Under the rhizome, are secondary roots growing into the soil, looking for nutrients.〔 These roots have small nodules on them.〔 These are used to fix nitrogen, from the soil.〔(【引用サイトリンク】url=http://www.orchideenkultur.net/index.php?topic=28569.30 )〕 It has glaucous (blue-green), grass-like leaves.〔〔〔 They are sword-shaped (ending in a point),.〔 and measure between long and wide.〔〔〔 They then elongate after flowering, up to long. It also has many midribs, along the length.〔〔 It has short flowering stems (or scapes) .〔〔〔〔〔〔〔〔 It has one or two terminal (at the top of the stem) flower,〔〔〔 in spring to early summer,〔〔 between April or June.〔〔〔〔〔 It has 2 lanceolate (lance-like) long and wide, spathes (leaves of the flower bud).〔 The small fragrant, flowers are in diameter,〔〔〔 and white or off-white.〔〔〔〔〔 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 (egg-like), long and wide, with a central yellow signal patch, spreading towards the centre of the flower.〔〔〔〔〔〔〔〔〔〔 The smaller, paler (in colour) narrow, standards (held at an angle) are between long and wide.〔〔〔 It has a long pedical, short (1-5mm) perianth tube, 1-1,4 cm long stamens and white, linear, long and wide.〔 It has 3 stamens, 3-lobed petal-like stigma, smaller ovary.〔 and a green tinged with pink anther.〔 After the iris has flowered, it produces an ovoid shaped, with 3 angles, seed capsule (between long and wide) between June and August.〔〔〔 Within the capsule are small boat-shaped seed.〔 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 odaesanensis」の詳細全文を読む スポンサード リンク
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