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angiosperm
angiosperm
The Oxford Pocket Dictionary of Current English
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2009
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© The Oxford Pocket Dictionary of Current English 2009, originally published by Oxford University Press 2009. (Hide copyright information)
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an·gi·o·sperm
/ ˈanjēəˌspərm/
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n. Bot.
a plant that has flowers and produces seeds enclosed within a carpel. The angiosperms are a large group and include herbaceous plants, shrubs, grasses, and most trees.
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The Origins of Angiosperms and Their Biological Consequences.
Magazine article from: BioScience; 3/1/1989; ; 700+ words
; ...a symposium on angiosperm origins, which...to dominance of angiosperms. Given the multidisciplinary...conditions. Many angiosperm leaf physiognomic...the first known angiosperms and later occupation...Czekanowskia). Angiosperm pollen appeared...the late Albian, angiosperms spread ...
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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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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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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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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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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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Angiosperm Wood Evolution and the Potential Contribution of Paleontological Data.
Magazine article from: The Botanical Review; 7/1/1999; ; 700+ words
; II. Introduction Angiosperm wood anatomy has received considerable...wood anatomy in living and fossil angiosperms. In addition to this descriptive...cladistic phylogenetic studies of angiosperm relationships and evolution. In our...
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Evolution of aquatic angiosperm reproductive systems.
Magazine article from: BioScience; 12/1/1996; ; 700+ words
; ...evolutionary pathways As angiosperms diversified and flourished...noninundated hydric soils. Aquatic angiosperms inhabit oceans, lakes...the approximately 350,000 angiosperm species (Cook 1990). Nonetheless...environments by terrestrial angiosperms is estimated to represent...
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The last step of syringyl monolignol biosynthesis in angiosperms in regulated by a novel gene endocing sinapyl alcohol dehydrogenase
Magazine article from: Plant Cell; 7/1/2001; ; 700+ words
; ...guaiacyl and syringyl monolignols in angiosperms. Here, we report the isolation of...biosynthesis of syringyl monolignol in angiosperms. In aspen stem primary tissues, PtCAD...the biosynthesis of syringyl lignin in angiosperms. INTRODUCTION The evolution of modern...
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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
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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angiosperm
Book article from: The Columbia Encyclopedia, Sixth Edition
angiosperm , term denoting seed plants in which...are not enclosed within an ovary. The angiosperms constitute the division Magnoliophyta...garden, and roadside weeds. The angiosperms are the most economically important...
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angiosperms
Book article from: A Dictionary of Biology
angiosperms See Anthophyta .
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Forests
Encyclopedia entry from: The Gale Encyclopedia of Science
...these types are boreal coniferous, temperate angiosperm, and tropical angiosperm forests. However, there are regional and local...forest. This is a species-rich forest of angiosperm tree species (sometimes known as tropical hardwoods...
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