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prophyll

noun pro·phyll \ ˈprōˌfil \
variants: or less commonly prophyllum \prōˈfiləm\
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Definition of prophyll

plural prophylls \-lz\ also prophylla \-lə\
: a plant structure resembling a leaf (as a bracteole) or consisting of a modified or rudimentary leaf (as a foliar primordium)

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Origin and Etymology of prophyll

New Latin prophyllum, from 1pro- + -phyllum

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