野豌豆——野豌豆属。
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Fabaceae (Legume family)
Life cycle
Climbing or trailing annual, biennial or perennial vines.
Leaves
Alternate, pinnately compound with several pairs of opposite, narrowly oblong leaflets. The terminal leaflet is modified into a branched, twining tendril used to climb.
Stems
Ascending, climbing or trailing stems are herbaceous but may become woody with age.
Flowers and fruit
Blue, purple or reddish pealike flowers are borne on short stalks in the upper leaf axils or found crowded along one side of long, bare stalks. Fruit are variously sized pealike pods.
Reproduction
Seeds or rhizomes.
