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amphitropous

adjective
am·​phit·​ro·​pous | \(ˈ)am¦fi‧trəpəs\

Definition of amphitropous 

: having the ovule inverted but with the attachment near the middle of one side — compare anatropous

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First Known Use of amphitropous

1819, in the meaning defined above

History and Etymology for amphitropous

amphi- + -tropous

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The first known use of amphitropous was in 1819

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