|
}} ''Iris longiscapa'' is a species in the genus ''Iris'', it is also in the subgenus of ''Iris'' and in the ''Hexapogon'' section. It is a rhizomatous perennial, from the deserts of Kazakhstan, Tajikistan, Turkmenistan and Uzbekistan. They have grass-like leaves, lilac-violet or blue-purple flowers, on a tall slender stem. It is cultivated as an ornamental plant in temperate regions ==Description== It is very similar in form to ''Iris songarica''.〔Gustave Gintzburger 〕 It has a short, small rhizome.〔〔(【引用サイトリンク】url=http://www.planetefleurs.fr/Systematique/Iridaceae/Iris_longiscapa.html )〕〔(【引用サイトリンク】url=http://irisbotanique.over-blog.com/article-chapitre-ii-iris-a-touffe-et-autre-partie3-106518511.html )〕 It produces small, nut-like segments, (which are smaller than ''Iris falcifolia''), one per year, that spread to create small creeping, dense tufts of plants.〔 On top of the rhizome are the fibrous remains of the previous seasons leaves.〔〔 Underneath, it has plenty of thick roots.〔〔 It has basal, green, grass-like or filiform (thread-like) linear leaves.〔〔〔〔〔(【引用サイトリンク】url=http://encyclopaedia.alpinegardensociety.net/plants/Iris/longiscapa )〕 They are narrow, deciduous and between wide.〔〔〔〔British Iris Society (1997) 〕 The leaves are much narrower and straighter than ''Iris falcifolia''.〔〔 It has a slender stem (or peduncle) that can grow up to between long.〔〔〔〔〔 It is more longer and slender than ''Iris falcifolia'',〔 but shorter then ''Iris songarica''.〔 The stems have 3 spathes (leaves of the flower bud), which are narrow and are acuminated (ending in a sharp point), and they have a hyaline (clear and translucent) or membranous margin.〔〔 The spathes have a small peduncle (stalk) that are between long.〔 The stems hold short pedicels (flower stalks), which are long,〔 they hold 2-5 flowers,〔〔〔〔〔 between April and May.〔〔〔 The flowers are in diameter,〔〔〔 they are slightly smaller than ''Iris falcifolia'',〔 but smaller than ''Iris songarica''.〔 They come in shades of lilac-violet,〔〔〔〔 or blue-purple,〔〔〔〔 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 oblong shaped,〔〔 and have darker veins along the margins.〔〔〔 In the centre of the falls, is a large, white, clavate (shaped like a club) beard.〔〔 It has a fine yellow centre.〔〔〔〔(【引用サイトリンク】url=http://rareplants.co.uk/product.asp?strParents=&CAT_ID=497&P_ID=2620 )〕 The standards are erect, narrowly spatulate and can sometimes have hairs.〔 The flowers are bisexual and actinomorphic (have radial symmetry).〔 After the iris has flowered, it produces a pointed, 3-angled,〔 or 3 edged seed capsule,〔 long.〔〔 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 longiscapa」の詳細全文を読む スポンサード リンク
|