amphitropous

American  

[am-fi-truh-puhs] / æmˈfɪ trə pəs /

adjective

Botany.

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

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amphitropous British  

/ 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

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Etymology

Origin of amphitropous

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

Example Sentences

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

From The Elements of Botany For Beginners and For Schools by Gray, Asa

Ovaries at the base of the spadix, each surrounded by 4–5 staminodia connate into a cup, 1-celled, bearing 1–few amphitropous or nearly orthotropous ovules at the base; stigma almost sessile.

From The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee by Gray, Asa

Ovary 1-celled, sometimes 2-celled by an intrusion of one of the sutures, or transversely 2–many-celled by cross-division into joints; style simple; ovules amphitropous, rarely anatropous.

From The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee by Gray, Asa