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In Rataj's taxonomy ''Echinodorus ovalis'' is in Section Cordifolii, Subgenus Echinodorus. It is related to ''Echinodorus cordifolius'' and listed by some authorities and importers as a synonym of that species, e.g. ''E. cordifolius 'ovalis. ==Description== Leaves 40 - 50 cm long, blades ovate or oval, at the tip blunt, at the base decurrent or abrupt, 7.5 - 19 cm long x 3 - 10 cm wide, trimmed with very distinct pellucid lines. Stem prostrate, 80 - 90 cm long, proliferous. Inflorescence racemose, having 4 - (6) whorls. Bracts shorter than pedicels, 0.8 - 1.5 cm long, shallowly connate, pedicels about 4.5 cm long. Sepals with smooth ribs quite unlike the muricate (warty) ribs of the similar E. cordifolius. Achenes probably with 3 facial glands. Most specimens seem to have few flowers. 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「Echinodorus ovalis」の詳細全文を読む スポンサード リンク
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