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  • 1
    Electronic Resource
    Electronic Resource
    Genetic relationships betweenLupinus pilosus andL. palaestinus (Fabaceae) (1981)
    Springer
    Plant systematics and evolution 137 (1981), S. 39-44 
    Details
    ISSN: 1615-6110
    Keywords: Leguminosae ; Fabaceae ; Lupinus ; L.pilosus ; L.palaestinus ; Self-compatability ; crossability ; hybrids ; genetic relationships ; edaphie vicariants ; taxonomic status
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Lupinus pilosus Murr. andL. palaestinus Boiss., are both East Mediterranean annuals, greatly resemble each other in morphology, and have the same chromosome number (2n = 42). Some fertile hybrids can be formed by artificial hybridization or under unusual habitat conditions. Isolation in nature between the species is, however, maintained by prevalent selfing, partial reproductive barriers and genic imbalance, together with differences in ecological requirements. It is suggested that this speciation pattern which includes little morphological and hardly any chromosomal divergence might have occurred in other cases of edaphic vicariants too.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00983202
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  • 2
    Electronic Resource
    Electronic Resource
    The annual species ofAdonis (Ranunculaceae)—a polyploid complex (1989)
    Springer
    Plant systematics and evolution 168 (1989), S. 181-193 
    Details
    ISSN: 1615-6110
    Keywords: Angiosperms ; Ranunculaceae ; Adonis ; Taxonomy ; distribution ; cytology ; chromosome numbers ; meiosis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The five annual species ofAdonis L., sect.Adonis, growing in Israel, form a series of diploid, tetraploid and hexaploid species. Their somatic chromosome numbers are 2n = 16 inA. annua L.,A. dentata Del. andA. palaestina Boiss., 2n = 32 inA. microcarpa DC., 2n = 48 inA. aestivalis L.; counts forA. dentata, A. palaestina andA. microcarpa are new records. There are indications that alloploidization may have been involved in the process of speciation in sect.Adonis. A taxonomic survey of the 8 species of the section reveals that a higher ploidy level is usually combined with a larger distribution area.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00936098
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    Paper (German National Licenses)
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