anatropous ovule


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Related to anatropous ovule: amphitropous ovule
  • noun

Words related to anatropous ovule

a completely inverted ovule turned back 180 degrees on its stalk

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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.
This analogy is not so fanciful as it seems, if the suggestion of Endress (2011) that anatropous ovules are ancestral in angiosperms.
The ovary contains a single, basal, anatropous ovule (Goetghebeur, 1998).
In contrast, Abolbodoideae (Abolboda, Aratitiyopea, and Orectanthe) have bifacial leaves, spherical pollen without an evident aperture, novel glands on the gynoecium, anatropous ovules, and spherical seeds (Dahlgren et al.