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amphitropous

[ am-fi-truh-puhs ]

adjective

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


amphitropous

/ æmˈfɪtrəpəs /

adjective

  1. (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


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Word History and Origins

Origin of amphitropous1

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

Capsule lobed, loculicidal, 3-valved, with 1–2 ovoid-kidney-shaped amphitropous or campylotropous black seeds in each cell.

Rhaphe, the line or ridge which runs from the hilum to the chalaza in anatropous and amphitropous seeds.

Raphe, the adherent funiculus connecting the hilum and chalaza in anatropous or amphitropous ovules or seeds.

The amphitropous ovule (Fig. 346) has a short or incomplete rhaphe.

Removed extra comma after "Amphitropous" in its index entry.

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AmphitriteAmphitruo