amphitropous

[am-fi-truh-puh s]

adjective Botany.

(of an ovule) inverted so that the funicle is in the middle of one side.

Origin of amphitropous

First recorded in 1835–45; amphi- + -tropous

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for amphitropous

Rhaphe, the line or ridge which runs from the hilum to the chalaza in anatropous and amphitropous seeds.
The Elements of Botany|Asa Gray
The amphitropous ovule (Fig. 346) has a short or incomplete rhaphe.
The Elements of Botany|Asa Gray
Removed extra comma after "Amphitropous" in its index entry.
The Elements of Botany|Asa Gray
Hemitropous (ovule or seed), nearly same as amphitropous, 123.
The Elements of Botany|Asa Gray

Raphe, the adherent funiculus connecting the hilum and chalaza in anatropous or amphitropous ovules or seeds.
Seeds of Michigan Weeds|W. J. (William James) Beal

British Dictionary definitions for amphitropous

amphitropous

adjective

(of a plant ovule) partially inverted so that the base and the micropyle at the apex are the same distance from the funicle

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012