Botany. (of an ovule) straight and symmetrical, with the chalaza at the evident base and the micropyle at the opposite extremity.
Origin of orthotropous
From the New Latin
dating back to 1820–30.
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for orthotropous
Historical Examples of orthotropous
British Dictionary definitions for orthotropous
(of a plant ovule) growing straight during development so that the micropyle is at the apexCompare anatropous
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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