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''Lathyrus pratensis'' or meadow vetchling, meadow pea and meadow pea-vine, is a perennial legume that grows to 1.2 m in height. The hermaphrodite flowers are pollinated by bees. As a perennial, this plant reproduces itself over many years, spreading out from the point it was introduced, especially in damp grassy areas. This plant has been propagated in the past as animal fodder. ==Description== Meadow vetchling is a perennial plant with a limp, unwinged stem that grows to and is erect and hairy. The leaves are alternate with short stalks and large stipules. The leaf blades are pinnate with a single pair of broad lanceolate leaflets with blunt tips, entire margins and a terminal unbranched tendril. The inflorescence has a long stem and a cluster of five to twelve yellow 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 long black pod. This plant flowers from June to August.〔(【引用サイトリンク】title=Meadow vetchling: ''Lathyrus pratentensis'' )〕 File:Meadow vetchling close 800.jpg|A close-up of the flowers File:20130525Wiesen-Platterbse Saarbruecken5.jpg|Vigorous green growth File:Lathyrus pratensis IP0706078.JPG|Young fruit File:Lapr 002 shp (Lathyrus prantensis seeds).jpg|Seeds 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 pratensis」の詳細全文を読む スポンサード リンク
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