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}} ''Iris typhifolia'' is a species in the genus ''Iris'', also the subgenus of ''Limniris'' and in the ''Iris series Sibiricae''. It is a rhizomatous herbaceous perennial, from China. It has slender, twisted leaves, deep green slender hollow stem and 2 violet-blue flowers. It is cultivated as an ornamental plant in temperate regions. ==Description== ''Iris typhifolia'' has a creeping rhizome,〔 that is surrounded by fibers.〔 It can spread out to 60 cm (23 inches) across.〔 It has slender, upright leaves, that are occasionally twisted,〔〔〔British Iris Society (1997) 〕 and ending as point (or lanceolate – sword-shaped).〔〔 The leaves are between 30–40 cm (12-15 inches) long and 2mm wide (when flowering).〔〔〔 They later, grow up to 90 cm (35 inches) long and 6 mm wide (at seed and capsule growth time).〔 The leaves has a visible mid-vein.〔 It has a deep green, slender, hollow flowering stem,〔 that grows up to between 50–90 cm (19-36 inches) long.〔〔〔 Although, the stem base can be slightly reddish.〔 The stem is unbranched and have between 2-4 green with a reddish brown edge, lanceolate spathes (leaves of the flower bud), which measure 5.5–6 cm long and 1-1.2 cm wide,〔〔 and can be membranous in form.〔 The spathes surround 2 flowers in early spring to early summer, May and June.〔〔〔 The flowers come in a range of violet-blue shades.〔 From blue,〔〔 to deep purple,〔〔 to violet-blue,〔〔〔 to violet,〔 to dark violet.〔 The flowers are 6–8 cm in diameter.〔〔 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 large, obovate (shaped like an egg), drooping 'falls' are 5-5.5 cm long, have a red/brown flush or spots on the hafts.〔〔〔 The slender, oblanceolate, upright 'standards' are 4.5-5 long and 1-1.2 cm wide.〔〔 It has a tubular perianth of 5mm long, pedical (flower stalk stem) of between 1–5 cm long and yellow or yellow/brown anthers.〔〔 It has 3 cm long stamens, style branches that are 3.5 long and 1-1.2 cm wide and a cylindric ovary which is 1.5–2 cm long and 2–3 mm wide.〔 In July and September (after the iris has flowered), it produces a seed capsule, which is ellipsoid in form and measures 4.5–5 cm long by 1.2-1.5 cm wide. It is 3-angled and 6-veined.〔 The seedlings will also come true from 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 typhifolia」の詳細全文を読む スポンサード リンク
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