anatropous


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Related to anatropous: anatropous ovule

anatropous

[ə′na·trə·pəs]
(botany)
Having the ovule fully inverted so that the micropyle adjoins the funiculus.
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References in periodicals archive ?
116 Ovule curvature (0) anatropous (or nearly so), (1) orthotropous (including hemitropous).
Phylogenetic Analyses of Cretaceous Fossils Related to Chloranthaceae and their Evolutionary Implications
mollissima was the same as those reported for other species of in terms of the anatropous bitegmic and crassinucellate ovules and the Polygonum type embryo sac (Xu et al.
Megasporogenesis and development of female gametophyte in Chinese chestnut (Castanea mollissima) cultivar Yanshanzaofeng'
The seeds are ovoid-lanceolate, 1.75 mm, anatropous, with a tuberculed, hexagonal-celled exotesta.
Fossil records in the Lythraceae
The asymmetrical integument growth creates the anatropous curvature.
Developmental and Cytochemical Features of Female Gametophyte in Endemic Lathyrus undulatus (Fabaceae)
This analogy is not so fanciful as it seems, if the suggestion of Endress (2011) that anatropous ovules are ancestral in angiosperms.
Rescuing Robert Brown--the origins of angio-ovuly in seed cones of conifers
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., 1985; Kral, 1998; Campbell, 2004b; Campbell & Stevenson, 2007).
Pollen morphology of Xyridaceae (Poales) and its systematic potential
The ovary contains a single, basal, anatropous ovule (Goetghebeur, 1998).
A floral ontogenetic approach to questions of homology within the Cyperoideae (Cyperaceae)
Ovule: (0) orthotropous, bitegmic; (1) anatropous or hemianatropous, bitegmic; (2) anatropous, unitegmic (Davis, 1966; Palkovic, 1974; Orchard, 1975; Corner, 1976; Cronquist, 1981; Dahlgren & Thorne, 1984; Webb & Gornall, 1989; Kubitzki, 1993b).
Systematics and leaf architecture of the Gunneraceae
Ovary (2-)4-5(-14) carpellate, superior to inferior, with usually axile to intruded parietal placentation, rarely apical or basal; ovules 1 to many per carpel, anatropous to nearly campylotropous, unitegmic, tenuinucellate, the embryo sac usually of the Polygonum type; style short to long, hollow, sometimes expanded apically; stigma truncate to capitate or slightly to strongly lobed, sometimes cup shaped, funnel shaped, or flabellate to pinnatifid.
Phylogenetic classification of Ericaceae: molecular and morphological evidence

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