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Schoenoplectus lacustris : ウィキペディア英語版 | Schoenoplectus lacustris
''Schoeneoplectus lacustris'', the lakeshore bulrush or common club-rush, is a species of club-rush (genus ''Schoenoplectus'') that grows in fresh water across Europe and some neighbouring areas. ==Description==
''Schoenoplectus lacustris'' grows up to tall, with stems thick. Most of the leaves of ''S. lacustris'' are reduced to bladeless sheaths around the stem, but leaf blades up to long can be formed under water.〔 The inflorescence appears at the top of the stem, and comprises 3–10 branches, each of which is up to long and may be again divided into shorter branches. The flowers are in the form of spikelets, each of which is long by wide.〔 The stems of ''S. lacustris'' are round in cross-section, in contrast to the triquetrous (rounded-triangular) stems of other species in the genus, such as ''S. triqueter'' and ''S. pungens''.〔 The stems of ''S. tabernaemontani'' are also round, but ''S. tabernaemontani'' is a smaller plant, less than tall, with only two stigmas per flower.〔
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「Schoenoplectus lacustris」の詳細全文を読む
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