anatropous


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Related to anatropous: anatropous ovule

a·nat·ro·pous

 (ə-năt′rə-pəs)
adj. Botany
Completely inverted so that the micropyle is facing downward and situated near the base of the funiculus: an anatropous ovule.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

anatropous

(əˈnætrəpəs)
adj
(Botany) (of a plant ovule) inverted during development by a bending of the stalk (funicle) attaching it to the carpel wall. Compare orthotropous
[C19: from ana- (inverted) + -tropous]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.anatropous - (of a plant ovule) completely invertedanatropous - (of a plant ovule) completely inverted; turned back 180 degrees on its stalk
inverted
plant life, flora, plant - (botany) a living organism lacking the power of locomotion
amphitropous - (of a plant ovule) partly inverted; turned back 90 degrees on its stalk
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
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References in periodicals archive ?
The fruits resemble those of Chloranthaceae in having a single pendent seed and a barrellike shape suggestive of ascidiate development, but the seed is anatropous, the most common type in angiosperms, rather than orthotropous as in Chloranthaceae.
Phylogenetic Analyses of Cretaceous Fossils Related to Chloranthaceae and their Evolutionary Implications
The ovules are anatropous, bitegminous, and tenuinucellate.
Microsporogenesis, Megasporogensis and Male and Female Gametophyte Development in Feijoa sellowiana (Myrtaceae)
Both species have bitegmic and anatropous ovule, obturator, trichomes and a resinuous gland, which is composed of flange-like structures that are modified bractlets (Webster and Webster, 1972).
Floral morphology and anatomy of Dalechampia alata Klotzsch ex Baill
Seeds originate from anatropous, unitegmic and tenuinucellate ovules (Figure 1A).
Seed characters and their usefulness in the separation of Asteraceae species/Caracteres de sementes e sua utilidade na separacao de especies de Asteraceae
The ovule is anatropous, presenting micropyle, funicle, inner and outer integument and nucellus in both floral types.
Dioecia funcional y polinizacion por polillas en cabralea canjerana subsp. canjerana (Meliaceae)
The ovary is inferior, bearing a single anatropous ovule with a long tube-like style.
Review of Nardostachys grandiflora: an important endangered medicinal and aromatic plant of western Himalaya
The results are showed that Yanshanzaofeng' was diclinous with polycarpous compound pistils axile placentas and commonly two anatropous ovules in each loculament.
Megasporogenesis and development of female gametophyte in Chinese chestnut (Castanea mollissima) cultivar Yanshanzaofeng'
The anatropous ovule, a characteristic not previously reported for the genus Syagrus had already been reported for other genera of the Tribe Cocoseae, with Attalea and Cocos (Uhl and Moore, 1971; Guevara and Jauregui, 2008).
Morphoanatomy of the flower of Syagrus inajai (SPRUCE) Becc. (Arecaceae- Arecoideae- Attaleinae), Amazon/Morfoanatomia floral de Syagrus inajai (Spruce) Becc. (Arecaceae-Arecoideae-Attaleinae), Amazonia

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