bitter vetch

noun

: any of several reputedly bitter or toxic vetches: such as

a

: ers

b

: chickling

c

: an erect glabrous European vetch (Lathyrus montanus) with creeping and tuberous rhizomes

d

: a western North American vetch (Lathyrus lanszwertii) with narrow coriaceous leaflets and pale lavender to pinkish violet flowers

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