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Lathyrus palustris : ウィキペディア英語版 | Lathyrus palustris
''Lathyrus palustris'' is a species of wild pea known by the common name marsh pea. It is native to Europe, Asia, and North America. It is a perennial herb with leaves made up of oval-shaped or oblong leaflets a few centimeters long. It has branched, coiled tendrils. The plant bears an inflorescence of two to eight pinkish purple pea flowers each up to two centimeters wide. The fruit is a dehiscent legume pod. ==Description== ''Lathyrus linifolius'' is a perennial plant with a sprawling or climbing stem that grows to and is shallowly-winged and nearly hairless. The leaves are alternate with short winged stalks and long narrow stipules. The leaf blades are pinnate with two to four pairs of narrow lanceolate leaflets, entire margins and a terminal branching tendril. The inflorescence has a long stem and two to eight purple flowers, each long. These have five sepals and five petals and are irregular. The uppermost petal is known as the "standard", the lateral two as the "wings" and the lowest two are joined to form the "keel". There are ten stamens and a single carpel. The fruit is a flat brown pod containing up to twelve seeds. This plant flowers in July and August.〔(【引用サイトリンク】title=Marsh pea: ''Lathyrus palustris'' )〕
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「Lathyrus palustris」の詳細全文を読む
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