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  • Angiosperms  (306)
  • Springer  (306)
  • American Physical Society (APS)
  • International Union of Crystallography (IUCr)
  • 1985-1989  (306)
Sammlung
Schlagwörter
Verlag/Herausgeber
  • Springer  (306)
  • American Physical Society (APS)
  • International Union of Crystallography (IUCr)
Erscheinungszeitraum
Jahr
  • 1
    Digitale Medien
    Digitale Medien
    Aegilops cylindrica var.kastorianum (Poaceae): A new variety from Greece (1989)
    Springer
    Plant systematics and evolution 163 (1989), S. 13-20 
    Details
    ISSN: 1615-6110
    Schlagwort(e): Angiosperms ; Poaceae ; Aegilops cylindrica var.kastorianum ; New variety ; karyotype analysis ; protein and esterase patterns ; isoelectric focusing
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract A native population ofAegilops cylindrica was encountered for the first time in Greece in 1980 (near Kastoria, NW. Greece), completely isolated and at a great distance from its main distribution area. There are morphological and chromosomal, but no protein and esterase pattern differences from otherAe. cylindrica populations. This justifies the recognition of a new variety: var.kastorianum. Our comparative and karyotypic observations support the view thatAe. caudata var.polyathera and not var.caudata (typica) is the possible donor of genome C of the new variety.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00936148
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  • 2
    Digitale Medien
    Digitale Medien
    A new species ofAristolochia (Aristolochiaceae) from India with co-evolutionary notes onA. indica and papilionid butterflies (1989)
    Springer
    Plant systematics and evolution 163 (1989), S. 31-34 
    Details
    ISSN: 1615-6110
    Schlagwort(e): Angiosperms ; Aristolochiaceae ; Aristolochia krisagathra spec. nova ; A. indica ; Ornithoptera ; Taxonomy ; butterflies ; host plants ; Flora of India
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract Aristolochia krisagathra, a new species from the Western Ghats of Peninsular India is described, illustrated and included into a key to the four Indian species of the genus. Notes on the host-relationships of these species are also provided, paticularly ofA. indica to papilionid butterflies.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00936150
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  • 3
    Digitale Medien
    Digitale Medien
    Floral biological observations onHeliamphora tatei (Sarraceniaceae) and other plants from Cerro de la Neblina in Venezuela (1989)
    Springer
    Plant systematics and evolution 163 (1989), S. 21-29 
    Details
    ISSN: 1615-6110
    Schlagwort(e): Angiosperms ; Sarraceniaceae ; Melastomataceae ; Rapateaceae ; Gentianaceae ; Loranthaceae ; Malpighiaceae ; Ericaceae ; Orchidaceae ; Campylopterus duidae ; Diglossa duidae ; Anoura geoffroyi ; africanized honey bee ; Pollination by bees ; buzz pollination ; Flora of Neblina
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract During 20 days in 1985, floral biological observations were made at 1 850–2 100m elevation on Cerro de la Neblina in Venezuela.Heliamphora tatei var.neblinae (Sarraceniaceae) is nectarless and has poricidal anthers.Heliamphora tatei, Graffenrieda fruticosa, G. polymera, G. reticulata, Tocca pachystachya, T. tepuiensis (Melastomataceae),Saxofridericia compressa, andStegolepsis neblinensis (Rapateaceae), are buzz-pollinated by ten species ofBombus, Eulaema, Melipona, Centris, Xylocopa, Dialictus, andNeocorynura. Additional observations of floral visits on tepui species ofGentianaceae, Loranthaceae, Malpighiaceae, Ericaceae, Orchidaceae, andAsteraceae are reported. Visitors include the hummingbirdCampylopterus duidae, the flower-piercerDiglossa duidae, the nectarivorous batAnoura geoffroyi, and various species ofCentris andBombus bees. Scent baits for euglossine bees attracted very few bees.Apis mellifera adansonii-scutellata, the africanized honey bee, was caught at 1 850m elevation.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00936149
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  • 4
    Digitale Medien
    Digitale Medien
    Preferential infestation of fruits within theMedicago truncatula — M. littoralis (Leguminosae) complex by the bean weevilBruchidius bimaculatus (1989)
    Springer
    Plant systematics and evolution 163 (1989), S. 35-41 
    Details
    ISSN: 1615-6110
    Schlagwort(e): Angiosperms ; Leguminosae ; Medicago truncatula ; Medicago littoralis ; Bruchidius bimaculatus ; Bruchid infestation
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract The bean weevilBruchidius bimaculatus was found in fruits of 68 of 217 populations of theMedicago truncatula — M. littoralis complex of Israel, Greece, Italy and Spain. Infestation was higher in fruits of somewhat larger than mean size, and in the more pubescent and tightly coiled fruits. Bean weevil size proved to be independent of fruit size, so that the “preference” for larger fruits does not seem due to adaptation to a larger food source or a larger domicile. Fruit size has been used to delimit the host “species”M. truncatula andM. littoralis, but the character proved to be unimodal, and it is apparent that the taxonomy of the plant complex requires further clarification. Of the 11 472 fruits examined, less than 4% were infested. Given that the plants have evolved indehiscent legumes in which typically only one of the approximately six seeds survives to reproduce, and that very few seeds of a fruit are destroyed, the bruchid's infestation appears to be non-harmful, and indeed the association may be mutualistic.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00936151
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  • 5
    Digitale Medien
    Digitale Medien
    A survey of C-band patterns in chromosomes ofLilium (Liliaceae) (1989)
    Springer
    Plant systematics and evolution 163 (1989), S. 53-69 
    Details
    ISSN: 1615-6110
    Schlagwort(e): Angiosperms ; Liliaceae ; Lilium ; C-banding ; heterochromatin ; karyosystematics ; karyotype
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract C-band patterns are described for 20Lilium spp. distributed across six sections. All species have a similar basic karyotype (n = 12) but C-bands differ markedly between them. The patterns are characterized by a dispersed scattering of thin intercalary bands as well as centric and NOR bands. Only one species,L. canadense, shows a clear equilocal pattern with intercalary C-bands occurring proximally in all of the longer chromosome arms. Comparing species, similar patterns are revealed forL. regale andL. sulphureum, forL. formosanum andL. longiflorum (all in sect.Leucolirion) and to a lesser extent forL. hansonii, L. martagon, andL. tsingtauense (sect.Martagon). The pattern forL. henryi (previously classed in sect.Sinomartagon) matches those ofL. regale andL. sulphureum quite well and its transfer to sect.Leucolirion is proposed. This is consistent with results from interspecies hybrids betweenL. henryi andL. regale (and related species) which are reportedly fertile. No other clear similarities in C-band patterns were seen across species. It seems that C-band patterns change rapidly inLilium and hence their usefulness in classification will be restricted to identifying closely related species.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00936153
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  • 6
    Digitale Medien
    Digitale Medien
    Chloroplast DNA variation inAnemone s. lato (Ranunculaceae) (1989)
    Springer
    Plant systematics and evolution 163 (1989), S. 81-85 
    Details
    ISSN: 1615-6110
    Schlagwort(e): Angiosperms ; Ranunculaceae ; Anemone ; Pulsatilla ; Hepatica ; Chloroplast DNA ; restriction endonuclease analysis
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract Chloroplast DNA of seven species belonging toAnemone (sectt.Omalocarpus, Anemonidium, andAnemonanthea),Hepatica, andPulsatilla have been analyzed by restriction enzymes. According to the dendrogram constructed, the sections ofAnemone and the generaHepatica andPulsatilla seem to be evolutionary approximately equidistant to each others. This supports the concept that these groups should be treated on a similar taxonomic level, either as genera or subgenera.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00936155
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  • 7
    Digitale Medien
    Digitale Medien
    Interspecific relationship of ten European orchid species as revealed by enzyme electrophoresis (1989)
    Springer
    Plant systematics and evolution 163 (1989), S. 107-119 
    Details
    ISSN: 1615-6110
    Schlagwort(e): Angiosperms ; Orchidaceae ; Orchis ; Dactylorhiza ; Gymnadenia ; Taxonomy ; interspecific relationship ; enzyme electrophoresis ; computer evaluation
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract Ten species of orchid plants belonging to the generaOrchis (7),Dactylorhiza (2), andGymnadenia (1) were analyzed by enzyme electrophoresis. Each species can be identified by a combination of enzyme bands different from those of all other species examined. The electrophoretic data were used for the construction of phenetic and phylogenetic trees with the help of computer programs. The trees were almost identical regardless which method was used. Our results differ considerably from a classification based on morphological evidence. The electrophoretic data indicate that the genusOrchis is not a monophyletic group.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00936158
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  • 8
    Digitale Medien
    Digitale Medien
    The chromosomes ofGrahamia (Portulacaceae) (1989)
    Springer
    Plant systematics and evolution 163 (1989), S. 127-131 
    Details
    ISSN: 1615-6110
    Schlagwort(e): Angiosperms ; Portulacaceae ; Grahamia bracteata ; Chromosome number ; karyotype ; base number
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract The somatic and gametic chromosomes of the monotypical genusGrahamia (G. bracteata) have been studied for the first time: 2n = 18, n = 9. The karyotype is symmetrical; of the nine m pairs one has microsatellites. The basic chromosome number x = 9 is considered to be primitive within the family.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00936508
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  • 9
    Digitale Medien
    Digitale Medien
    A new look at the acetolysis method (1989)
    Springer
    Plant systematics and evolution 163 (1989), S. 147-152 
    Details
    ISSN: 1615-6110
    Schlagwort(e): Angiosperms ; Beilschmiedia ; Calluna ; Polyalthia ; Strelitzia ; Acetolysis ; palynology ; sporoderm ; exine ; intine ; pollen characters
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract The acetolysis method intreduced byGunnar Erdtman is still a very welcome and highly successful technique in palynology. However, acetolysis destroys all pollen material with the exception of sporopollenin that forms the outer pollen wall, the exine. Modern palynology in its application to plant systematics and phylogeny must consider all sporoderm characters, not only those of the exine. The neglect of the intine may distort some principal palynological aspects. This is illustrated by cases of total breakdown or gross modification of thin exine structures (e.g. inBeilschmiedia, Strelitzia) and by the clarification of apertures (e.g.,Polyalthia, Fissistigma, Calluna). In our view the investigation of both acetolysed and non-acetolysed pollen is obligatory for a well balanced view of pollen structure and function.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00936510
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  • 10
    Digitale Medien
    Digitale Medien
    Meiotic analyses ofCucumis hybrids and an evolutionary evaluation of the genusCucumis (Cucurbitaceae) (1989)
    Springer
    Plant systematics and evolution 163 (1989), S. 133-146 
    Details
    ISSN: 1615-6110
    Schlagwort(e): Angiosperms ; Cucurbitaceae ; Cucumis ; C. sativus ; C. melo ; C. metuliferus ; C. anguria ; C. zeyheri ; C. myriocarpus subsp.leptodermis ; comb. nov. ; Crossing experiments ; meiosis of hybrids ; polyploidy ; isozymes ; DNA analysis ; evolution
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract Meiosis in seven interspecificCucumis hybrids has been analysed i.a. inC. metuliferus ×C. zeyheri, where the parents belong to different sections. In the triploid hybrids a remarkably high number of trivalents has been found. Additional data from literature on geographical distribution, cucurbitacins, flavonoid patterns, isozymes, C-banding, genome size, DNA amount and chloroplast DNA are used to discuss species relationships and evolution. The African cross-compatible group is divided into theMyriocarpus subgroup with the diploid speciesC. africanus, C. myriocarpus subsp.leptodermis and subsp.myriocarpus, and theAnguria subgroup withC. anguria, C. dipsaceus, C. ficifolius, C. prophetarum, C. zeyheri and all polyploids (exceptC. heptadactylus). It is argued that the Asian subg.Melo with x = 7 is derived from the African subg.Cucumis with x = 12; the latter contains all the polyploid species and has the most common basic chromosome number of theCucurbitaceae. This phylogenetic advance is interpreted with concepts of the quantum model of evolution.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00936509
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