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''Iris ivanovae'' 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 eastern Russia, China, and Mongolia. It has narrow and linear light green leaves, short slender stem and pink-purple flowers. It is cultivated as an ornamental plant in temperate regions. ==Description== It is similar in form to ''Iris tigridia'' but differs in the leaves, being narrower on ''Iris tigridia'' and ''Iris ivanovae'' having smaller flowers.〔(【引用サイトリンク】url=http://www.efloras.org/florataxon.aspx?flora_id=3&taxon_id=200028222 )〕 It has a thick, dark grey rhizome, that is about 2 - 4 mm in diameter.〔(【引用サイトリンク】url=http://flower.onego.ru/other/iris/irie_cae.html )〕 Below the rhizome, it has wrinkled dark grey secondary roots.〔〔 The rhizome, is covered in the remains of light brown or grey dead leaves.〔〔 The radical leaves are light green,〔 narrow, linear, with 2-3 prominent veins.〔〔 They can grow up to between long,〔〔 and 1-2.5 mm wide.〔 It has a slender stem, that can grow up to between tall.〔〔 The stem has 2 green, narrow, lanceolate, spathes (leaves of the flower bud), that are long and between 0.5 - 0.7 cm wide.〔〔 The stems hold 1 terminal (top of stem) flower, blooming in early May.〔〔〔 The flowers are in diameter,〔〔〔 they come in shades of pink-purple.〔〔 They have dots and dashes markings on the flowers.〔〔 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 long,〔 and 0.8–1 cm wide, with a beard of clavate hairs in the middle.〔 They narrow to a thread-like claw (near to the stem).〔〔 The standards are lanceolate, with a notch at the top of the petal.〔〔 It has a triangular shaped ovary,〔〔 it has a 1.5–2 cm long perianth tube, that is between 0.5–1 mm in diameter and yellow anthers.〔 After the iris has flowered, in late June and early July,〔〔 it produces an oblong-oval seed capsule,〔〔〔 which has a small nose or sprout.〔〔 Inside, the capsule are brown, wrinkled and reticulate (resembling a net) seeds.〔〔 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 ivanovae」の詳細全文を読む スポンサード リンク
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