Definition of orthotropous in English:

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orthotropous

Pronunciation: /ôrˈTHätrəpəs/

adjective

Botany
(Of a plant ovule) having the nucleus straight, i.e., not inverted, so that the micropyle is at the end opposite the base.
Example sentences
  • The ovary of macadamia contains two orthotropous ovules at anthesis.
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