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gymnosperm
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gymnosperm
The Columbia Encyclopedia, Sixth Edition
gymnosperm see angiosperm .
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The Columbia Encyclopedia, Sixth Edition. Copyright 2008 Columbia University Press
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Plant genome; biodiversity and evolution; v.1, part D: Phanerogams (Gymnosperm) and (Angiosperm-Monocotyledons).(Brief Article)(Book Review)
; 9781578084203 Plant genome; biodiversity and evolution; v.1, part D: Phanerogams (Gymnosperm) and (Angiosperm-Monocotyledons) Ed. by A.K. Sharma and Archana Sharma. Science Publishers, Inc. 2006 350 pages $95.00 Hardcover...
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Gymnosperm Orthologues of Class B Floral Homeotic Genes and Their Impact on Understanding Flower Origin
; ...these genes have been found in diverse gymnosperms, the sister group of the flowering plants...lineage that led to extant seed plants. Gymnosperms do not develop petals, and their male...stamens. So what is the function of gymnosperm B genes? Recent experiments revealed...
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Functional Characterization of Nine Norway Spruce TPS Genes and Evolution of Gymnosperm Terpene Synthases of the TPS-d Subfamily1[w]
; ...synthase and longifolene synthase have not been previously described, and this linalool synthase is the first described from a gymnosperm. These functionally diverse TPS account for much of the structural diversity of constitutive and methyl jasmonate-induced...
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Gymnosperms of southeast Alabama.
; ABSTRACT Gymnosperms of southeast Alabama are represented...Alabama Herbarium (UNA). INTRODUCTION Gymnosperms (literally, naked seed ) are a group...enclosed by a ripened ovary (fruit). The gymnosperms in the United States include 20 genera...
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Gymnosperms of northeast Alabama and adjacent highlands.(conifer plants)
; ...University herbarium; filled square ( ) = documented at another herbarium; open circle ( ) reported in literature. KEY TO GYMNOSPERM FAMILIES 1. Leaves fan-shaped and deciduous; venation dichotomous (forking) Ginkgoaceae 1. Leaves needle-like or scale-like...
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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]
; Seedlings of several species of gymnosperm trees, angiosperm trees, and angiosperm...significantly higher than that of the gymnosperms; within angiosperms, mean r of lianas...significantly higher in angiosperm than in gymnosperm species, and was primarily controlled...
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Is Auxin Involved in Reaction Wood Formation?
; Angiosperm and gymnosperm trees differ in the nature of their reaction woods. In angiosperm...cellulose with microfibrils that are parallel to the long cell axis. In gymnosperms, such as pine (Pinus sylvestris), reaction wood is called compression...
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Taxaceae: the genera and cultivates species.
; ...Introduction The Taxaceae are a small group of gymnosperms constituting less than 2% of all gymnosperm species, with one of its genera, Taxus...strobilus in Juniperus and in the other gymnosperm family with a fleshy reproductive structure...
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Abnormal pollen grains: an outcome of deteriorating atmospheric conditions around the Permian-Triassic boundary
; Abstract: Records of abnormal gymnosperm pollen morphotypes from coeval localities in Russia and NW China provide independent and unique evidence of deteriorating atmospheric...
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University of California obtains United States patent.(Recombinant nucleic acid molecule)(Brief Article)
; ...provides a transgenic seed plant, such as an angiosperm or gymnosperm, that contains a recombinant nucleic acid molecule of the...provides a transgenic seed plant, such as an angiosperm or gymnosperm, that contains a nucleic acid molecule encoding a chimeric...
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Related entries from encyclopedias, dictionaries, and thesauruses
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gymnosperm
gymnosperm Seed plant with naked seeds borne on scales, usually cones. Most evergreens are gymnosperms. However, larch and some other conifers are deciduous...seed-bearing plants are divided into two main groups: gymnosperms and angiosperms . In the Five Kingdoms classification...
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gymnosperm
gymnosperm A seed plant in which the ovules are carried naked on the cone scales, in contrast to the angiosperms , in which they are enclosed by an ovary . Gymnosperms date from the Carboniferous and subsequently they dominated the floras of the world until the Cretaceous , since when...
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gymnosperm
gymnosperm • affirm , berm, confirm, firm, germ, herm, midterm, perm, sperm, squirm, term, therm, worm •pachyderm • echinoderm •wheatgerm • endosperm •gymnosperm • isogeotherm •ragworm • flatworm • threadworm •tapeworm • eelworm , ...
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gymnosperm
gymnosperm Any plant whose ovules and the seeds into which they...ovaries, as are those of the flowering plants (the term gymnosperm means naked seed). In traditional systems of classification such plants were classified as the Gymnospermae, a class of the Spermatophyta, but they are now divided...
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gymnosperm
gymnosperm A seed plant in which the ovules are carried naked on the cone scales, in contrast to the angiosperms , in which they are enclosed by an ovary. Gymnosperms date from the Carboniferous and subsequently dominated the floras of the world until the Cretaceous , since when they...
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