anatropous

[ uh-na-truh-puhs ]

Phonetic (Standard)IPA

adjective

, Botany.

(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.

anatropous

/ əˈnætrəpəs /

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

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

C19: from ana- (inverted) + -tropous

Seeds anatropous, mucilaginous, flattened, containing a large embryo with plano-convex cotyledons.

Seed anatropous, erect, filled by the large embryo with its hemispherical fleshy cotyledons.

Ovary 2-celled, with a single anatropous ovule pendulous in each cell; style prolonged and curved; stigma various.

Fruit indehiscent, 1–4-celled, with a single anatropous seed suspended from the summit of each cell.

Fruit a berry-like drupe, with 6–9 seed-like nutlets, each containing an erect anatropous seed.

April 18, 2024petrichor

[pet-ri-kawr]

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