anatropous

American  

[uh-na-truh-puhs] / əˈnæ trə pəs /

adjective

Botany.

1. (of an ovule) inverted at an early stage of growth, so that the micropyle is turned toward the funicle and the embryonic root is at the opposite end.

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anatropous British  

/ əˈnætrəpəs /

adjective

1. (of a plant ovule) inverted during development by a bending of the stalk (funicle) attaching it to the carpel wall Compare orthotropous

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Etymology

Origin of anatropous

First recorded in 1840–50; ana- + -tropous

Example Sentences

Seeds very numerous, anatropous, with a thick wing-like seed-coat and little if any albumen.

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 more or less 2–7-celled, with 1 or 2 pendulous anatropous ovules in each cell; but all the cells and ovules except one disappearing in the fruit.

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

Seeds numerous, anatropous, with a short and minute embryo at the base of the albumen.—Leaves circinate in the bud, i.e., rolled up from the apex to the base as in Ferns.

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

Pod with evanescent partitions, and a thick axis bearing several anatropous seeds, 5-valved, the valves coiling elastically and projecting the seeds in bursting.

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

Seeds anatropous, with a minute embryo enclosed at the base of the fleshy albumen.—Flowers liliaceous in structure, but sedge-like in aspect and texture.

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