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English word
HYPHEN
CIDE DICTIONARY
OXFORD DICTIONARY
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CIDE DICTIONARY
monopetalous, a. [Mono- + petal: cf. F. monopétale.].
Having only one petal, or the corolla in one piece, or composed of petals cohering so as to form a tube or bowl; gamopetalous. [1913 Webster]
" The most recent authors restrict this form to flowers having a solitary petal, as in species of Amorpha , and use gamopetalous for a corolla of several petals combined into one piece. See Illust. of Gamopetalous ."
[1913 Webster]
OXFORD DICTIONARY
monopetalous, adj. Bot. having the corolla in one piece, or the petals united into a tube.