unguiculata : Idioms & Phrases
vigna unguiculata
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noun sprawling Old World annual cultivated especially in southern United States for food and forage and green manure
Vigna sinensis; black-eyed pea; cowpea plant; cowpea.
WordNet
vigna unguiculata sesquipedalis
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noun South American bean having very long succulent pods
yard-long bean; asparagus bean; Vigna sesquipedalis.