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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Silene regia ： ウィキペディア英語版 Silene regia ''Silene regia'' is a species of flowering plant in the pink family known by the common name royal catchfly. It is native to the central United States.〔(''Silene regia''. ) Center for Plant Conservation.〕〔(''Silene regia''. ) The Nature Conservancy.〕 This perennial herb grows from a fleshy taproot. There are several erect stems growing up to 1.6 meters tall. The leaves are lance-shaped to oval and up to 12 centimeters long, becoming smaller farther up the stem. The inflorescence is an array of many flowers at the top of the stem. The elongate tubular calyx of sepals is up to 2.5 centimeters long and has 10 longitudinal veins. The lobes of the bright red corolla are 1 to 2 centimeters long.〔(''Silene regia''. ) Flora of North America.〕 The flowers are pollinated by the ruby-throated hummingbird.〔〔 This plant is similar to the other two red-flowered eastern North American ''Silene'', ''S. virginiana'' and ''S. rotundifolia''.〔 This plant is native to the tallgrass prairie of the American Midwest. It occurs in grassland and woodland. It has been found on roadsides and outcrops, and in pastures. It is found in open, sunny spots. It has been found in the states of Kansas, Oklahoma, Arkansas, Missouri, Illinois, Indiana, Ohio, Kentucky, Tennessee, Georgia, Alabama, and Florida. It has been extirpated from Kansas and Tennessee and it is rare throughout most of the rest of its range. It may be most prevalent in Missouri.〔 The main threat to the species is the loss of habitat to agricultural use. Its native prairie habitat has been reduced so that now the plant mainly grows on roadsides and rights-of-way. It is also threatened by fire suppression, which eliminates the normal fire regime that keeps the habitat open and sunny. Larger and woody vegetation moves into the habitat when fire is reduced, and the ''Silene'' cannot compete.〔 ==References== 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「Silene regia」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.