n. 山黧豆

[ noun ]
any of various small plants of the genus Lathyrus; climb usually by means of tendrils
<noun.plant>

Vetchling \Vetch"ling\, n. [Vetch + -ling.] (Bot.)
Any small leguminous plant of the genus {Lathyrus},
especially {Lathyrus Nissolia}.