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''Hydrocotyle'' sometimes called water pennywort, Indian pennywort, marsh penny, thick-leaved pennywort and even white rot is a genus of prostrate, perennial aquatic or semi-aquatic plants formerly classified in the family Apiaceae, now in the family Araliaceae.〔 ==Description== Water pennyworts, ''Hydrocotyles'', are very common. They have long creeping stems that often form dense mats, often in and near ponds, lakes, rivers, marshes〔 and some species in coastal areas by the sea. ;Leaves: Simple, with small leafy outgrowth at the base, kidney shaped to round. Leaf edges are scalloped. ;Flowers: Flower clusters are simple and flat-topped or rounded. Involucral bracts Inconspicuous bracts at the base of each flower. Indistinct sepals. ;Fruits and reproduction: Elliptical to round with thin ridges and no oil tubes (vitta) which is characteristic in the fruit of umbelliferous plants.〔 :The prostrate plants reproduce by seed and by sending roots from stem nodes. 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「Hydrocotyle」の詳細全文を読む スポンサード リンク
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