anatropous


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Related to anatropous: anatropous ovule
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Synonyms for anatropous

(of a plant ovule) completely inverted

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References in periodicals archive ?
Microdiptera (in the broadest sense) is morphologically and anatomically similar to Decodon, sharing the following characteristics: anatropous ovules, bitegmic seeds with inner lignified layers typical of the Lythraceae, a germination valve on one side of the seed, and extensive spongy tissue through which the raphe runs from near the hilum to the chalaza.
5 mm, from anatropous ovules, have a chalaza at the broad end of the seed and hilum at the narrow end.
Numerous seeds from anatropous ovules cover the elongated axile placenta.
At about the functional megaspore stage the ovule is completely anatropous.
undulatus is anatropous, bitegmic and crassinucellate consistent with Fabaceae family.
Such varying differentiation of different parts of the ovule accounts for the occasional confusion of anatropous and campylotropous ovules.
Ovules 1 to many in each locule, anatropous to hemitropous, or amphitropous; unitegmic, simple, tenuinucellar or pseudocrassinucellar (in Asclepiadaceae), usually without an integumentary tapeturn; endosperm development usually nuclear, rarely cellular.
Gynoecium bicarpellate, syncarpous, superior, usually unilocular and oriented in the antero-posterior plane; surrounded by nectary-disk or distinct glands; placentation parietal (this occasionally bifid) or rarely free axile, seldom bilocular with axile placentation: style simple and terminal, with entire or bilobed, papillate stigma, rarely style wanting and stigmas decurrent on ovary (Lomatogonium); ovules usually numerous and anatropous.
Gynoecium bicarpellate, syncarpous, superior, bilocular (with apical part of partitioning imperfect); style terminal with short bilobed stigma; ovules numerous and anatropous.
Davis (1966) considered that ovules in the Myoporaceae are anatropous, i.