papilionaceous

papilionaceous
[pəˌpɪlɪəˈneɪʃəs]
adjective
  1. (Botany)of, relating to, or denoting leguminous plants of a group (subfamily Papilionoideae or family Papilionaceae) with flowers that resemble a butterfly
    (植)具蝶形花冠,蝶形的
语源
  1. mid 17th cent.: from modern Latin Papilionaceae (plural), based on Latin papilio 'butterfly', + -ous
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