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angiosperm
angiosperm
angiosperm Plants with true flowers, as distinct from
gymnosperm and other non-flowering plants. They include most trees, bushes, and non-woody herbs. There are two main groups:
monocotyledons (which have one seed leaf) such as grasses and daffodils, and
dicotyledons (which have two seed leaves) such as peas and oak.
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Seed ferns and the origin of angiosperms
Magazine article from: Journal of the Torrey Botanical Society; 1/1/2006; ; 700+ words
; ...directly related to angiosperms, studies on the origin of angiosperms must focus on...homologized the angiosperm carpel with the...are related to angiosperms and how. Understanding...consideration of the angiosperm ovule, which...
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Dark and disturbed: a new image of early angiosperm ecology
Magazine article from: Paleobiology; 1/1/2004; ; 700+ words
; ...physiology of early angiosperms. Here we combine...to infer early angiosperm function. With...Interpretations of Early Angiosperm Ecology.-The...representation of early angiosperms is that of woody...however, showed that angiosperm pollen was equally...reconstructed the first ...
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Phylogeny and Evolution of Angiosperms
Magazine article from: Northeastern Naturalist; 1/1/2007; ; 382 words
; ...modification of our knowledge of angiosperm relationships. This has...schemes. This text uses the Angiosperm Phylogeny Group's reclassification of angiosperms to provide a comprehensive...of current concepts of angiosperm phylogeny. This framework...
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The cleistogamous breeding system: a review of its frequency, evolution, and ecology in angiosperms.
Magazine article from: The Botanical Review; 1/1/2007; ; 700+ words
; ...development of comprehensive angiosperm phylogenies (e.g...al., 2000, 2005; Angiosperm Phylogeny Group, 2003...cleistogamy occurs within angiosperm genera and species...has evolved within angiosperms, and (4) identify...
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Biogeochemical evidence for the presence of the angiosperm molecular fossil oleanane in Paleozoic and Mesozoic non-angiospermous fossils
Magazine article from: Paleobiology; 4/1/2006; ; 700+ words
; ...many living angiosperms. Our data...among non-angiosperm seed plants...from the angiosperms and indicate...with the angiosperm lineage diverging...plants. The angiosperm fossil record...crown) angiosperms (Hughes...
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Timing of early angiosperm radiation: recalibrating the classical succession
Magazine article from: Journal of the Geological Society; 7/1/2006; ; 700+ words
; ...radiation phase of angiosperms within the early Aptian...in which monocolpate angiosperm pollen of monocot and...the major groups of angiosperms, the monocots, magnoliids...early evolution of angiosperms, represented by continental...structures of unquestionable angiosperm origin (Friis et ...
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Conifers, Angiosperm Trees, and Lianas: Growth, Whole-Plant Water and Nitrogen Use Efficiency, and Stable Isotope Composition ([delta]^sup 13^C and [delta]^sup 18^O) of Seedlings Grown in a Tropical Environment1[W][OA]
Magazine article from: Plant Physiology; 9/1/2008; ; 700+ words
; ...angiosperm trees, and angiosperm lianas were grown under tropical...0001, n = 94). Mean r of angiosperms was significantly higher...the gymnosperms; within angiosperms, mean r of lianas was higher...also significantly higher in angiosperm than in gymnosperm species...
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Scientists upset insect orthodoxies. (insect diversity preceded angiosperm diversity)
Magazine article from: Science News; 7/17/1993; ; 700+ words
; ...flowering plants, called angiosperms, by 120 million years...insects may have spurred angiosperm diversity rather than the...food sources provided by angiosperms: 85 percent of the mouthpart...with the proliferation of angiosperms 120 million years ago needs...
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Evidence that branches of evergreen angiosperm and coniferous trees differ in hydraulic conductance but not in Huber values.
Magazine article from: Canadian Journal of Botany; 2/1/2007; ; 700+ words
; ...although narrower than angiosperm vessels. However...for vesselbearing angiosperms at the same site...that evergreen angiosperms have higher average...of conifers and angiosperm branches thus suggest...some vesselless angiosperms differ in width...words: conifer-angiosperm ...
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Functional Conservation of a Root Hair Cell-Specific cis-Element in Angiosperms with Different Root Hair Distribution Patterns(W)
Magazine article from: Plant Cell; 11/1/2006; ; 700+ words
; ...and paralogous) genes from diverse angiosperm species with different hair distribution...specific genes has been conserved across angiosperms despite the divergence of upstream fate...in lower ferns, monocots, and basal angiosperm families (Figure 1B). In addition...
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Angiosperms
Book article from: Plant Sciences
...diverse array of early angiosperms in the fossil record...reports of earlier angiosperm remains, the oldest...that are indisputably angiosperms are from the early...genus Gnetum ) have angiosperm-like leaves. Gnetales...a feature unique to angiosperms. In Gnetales, both...
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angiosperm
Book article from: A Dictionary of Plant Sciences
angiosperm A flowering plant, distinguished by producing seeds that are enclosed fully by fruits. Angiosperms are the most highly evolved of plants, and appear first in rocks of Lower Cretaceous age. All of them are included in the division Anthophyta .
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Angiosperm
Encyclopedia entry from: The Gale Encyclopedia of Science
Angiosperm Angiosperm is the name given to plants that...Despite their geological youthfulness, angiosperms are the dominant plants of the world...nutritious, energy-packed treats. In angiosperms, the margins of the seed-bearing...
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angiosperms
Book article from: A Dictionary of Biology
angiosperms See Anthophyta .
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Dicots
Book article from: Plant Sciences
...of ancient dicotyledonous angiosperms (basal angiosperms). In many ways this conclusion...early diversification of the angiosperms. Phylogenetic trees of relationship...approximately 75 percent of all angiosperm species, comprise several...
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