Karyology of Limonium (Plumbaginaceae) species from the Balearic Islands and the western Iberian Peninsula

Somatic chromosome numbers, conventional karyotype features and idiograms are reported for 27 Limonium species inhabiting the Western Mediterranean basin (Iberian Peninsula and the Balearic Islands). The chromosome numbers of Limonium barceloi (2n = 36), L. ejulabilis (2n = 24), L. inexpectans (2n = 26), L. interjectum (2n = 24), and L. scopulorum (2n = 25) were determined for the first time. In addition, new aneuploid and/or polyploid cytotypes are reported in L. alcudianum (2n = 26), L. bonafei (2n = 26), L. camposanum (2n = 26), L. companyonis (2n = 26), L. dufourii (2n = 26), L. geronense (2n = 36), L. marisolii (2n = 54), L. migjornense (2n = 50), and L. pseudodictyocladon (2n = 16). A group of polyploid species showed karyotypes comprising homologous chromosomes in groups of three (L. antonii-llorensii, L. ejulabilis, L. interjectum, L. virgatum, and L. wiedmanii), four (L. geronense), or six (L. marisolii), which suggests an autopolyploid origin. Other polyploid species were characterized by the presence of two different chromosome sets (x = 8 and x = 9) in the genome. The species L. alcudianum, L. bonafei, L. camposanum, L. companyonis, L. dufourii, L. gibertii, L. girardianum, L. inexpectans, L. leonardi-llorensii, L. magallufianum, L. migjornense, L. minoricense, and L. scopulorum showed various combinations of paired and unpaired x = 8 and x = 9 chromosome sets, suggesting that they are allopolyploids. © 2007 The Linnean Society of London, Botanical Journal of the Linnean Society, 2007, 155, 257–272.

[1]  A. Levan,et al.  NOMENCLATURE FOR CENTROMERIC POSITION ON CHROMOSOMES , 2009 .

[2]  C. Stace,et al.  Pattern of variation of agamospermous Limonium (Plumbaginaceae) in the British Isles , 2008 .

[3]  J. Rosselló,et al.  New chromosome numbers for plant taxa endemic to the Balearic Islands , 2006, Folia Geobotanica.

[4]  A. Richards.  Genetic variability in obligate apomicts of the genusTaraxacum , 1996, Folia Geobotanica.

[5]  Jindřich Chrtek jun.  Chromosome numbers in selectedHieracium species in the Krkonoše Mts. (the West Sudeten) , 1994, Folia Geobotanica.

[6]  J. Rosselló,et al.  Karyological observations on plant taxa endemic to the Balearic Islands , 2007 .

[7]  J. Rosselló,et al.  Chromosome numbers in plant taxa endemic to the Balearic Islands , 2005 .

[8]  A. Aparicio.  Limonium silvestrei (Plumbaginaceae), a new agamospecies from southern Spain , 2005 .

[9]  S. Trewick,et al.  Interspecific hybridization among Hieracium species in New Zealand: evidence from flow cytometry , 2004, Heredity.

[10]  M. Ingrouille,et al.  A taxometric analysis ofLimonium (Plumbaginaceae) in Western Europe , 1984, Plant Systematics and Evolution.

[11]  J. Suda,et al.  Nuclear DNA amounts in Macaronesian angiosperms. , 2003, Annals of botany.

[12]  A. Santos‐Guerra,et al.  Genome organization in diploid hybrid species of Argyranthemum (Asteraceae) in the Canary Islands , 2003 .

[13]  K. Sytsma,et al.  EVOLUTION AND BIOGEOGRAPHY OF THE WOODY HAWAIIAN VIOLETS (VIOLA, VIOLACEAE): ARCTIC ORIGINS, HERBACEOUS ANCESTRY AND BIRD DISPERSAL , 2000, Evolution; international journal of organic evolution.

[14]  F. González-Candelas,et al.  Study of the evolutionary relationships among Limonium species (Plumbaginaceae) using nuclear and cytoplasmic molecular markers. , 2000, Molecular phylogenetics and evolution.

[15]  R. Bicknell,et al.  Recovery of a sexual and an apomictic hybrid from crosses between the facultative apomicts Hieracium caespitosum and H. praealtum , 2000 .

[16]  J. Rosselló,et al.  Limonium vigoi (Plumbaginaceae), a new tetraploid species from the Northeast of the Iberian Península , 1998 .

[17]  J. Rosselló,et al.  Limonium carvalhoi (Plumbaginaceae), a new endemic species from the Balearic Islands , 1998 .

[18]  J. Rossello,et al.  Limonium marisolii L. Llorens (Plumbaginaceae) revisited , 1998 .

[19]  G. D. Carr.  Evolution and Speciation of Island Plants: Chromosome evolution and speciation in Hawaiian flowering plants , 1998 .

[20]  T. Stuessy,et al.  Evolution and Speciation of Island Plants: Chromosomal stasis during speciation in angiosperms of oceanic islands , 1998 .

[21]  S. Diana.  Variabilità cariologica in Limonium bonifaciense Arrigoni et Diana (Plumbaginaceae) , 1995 .

[22]  V. Dalgaard.  Checklist of chromosome numbers counted in Madeiran flowering plants, with notes on polyploidy, life form, endemism and evolution , 1994 .

[23]  P. V. Arrigoni,et al.  Contribution à la connaissance du genre Limonium en Corse , 1993 .

[24]  Josep Antoni Rosselló Picornell,et al.  Limonium ejulabilis, a new endangered endemic species from Majorca (Balearic Islands, Spain) , 1993 .

[25]  B. Schaal,et al.  Genotypic variation within asexual lineages of Taraxacum officinale. , 1990, Proceedings of the National Academy of Sciences of the United States of America.

[26]  H. Dawson.  Chromosome numbers in two Limonium species. , 1990 .

[27]  R. Artelari.  Biosystematic study of the genus Limonium (Plumbaginaceae) in the Aegean area (Greece). I: Some Limonium species from the Kikladhes islands , 1989 .

[28]  R. Artelari.  Limonium creticum (Plumbaginaceae), a new species from Kriti island (Aegan sea) Greece , 1989 .

[29]  R. Artelari.  Biosystematic study of the genus Limonium (Plumbaginaceae) in the Aegean area (Greece). II: Limonium hierapetrae Rech. fil. from Kriti island , 1989 .

[30]  C. Zarco.  A NEW METHOD FOR ESTIMATING KARYOTYPE ASYMMETRY , 1986 .

[31]  J. Manning,et al.  Asexual reproduction, polyploidy and optimal mutation rates , 1986 .

[32]  Leonardo Llorens.  Revisión sistemático-taximétrica del género Limonium Miller en la isla de Mallorca, I , 1985 .

[33]  F. Erben.  BEMERKUNGEN ZUR TAXONOMIE DER GATTUNG LIMONIUM III , 1981 .

[34]  S. Brullo.  Chromosome numbers in the Sicilian species of "Limonium" Miller ("Plumbaginaceae") , 1980 .

[35]  M. Erben.  Karyotype differentiation and its consequences in Mediterranean « Limonium » , 1979 .

[36]  S. Pignatti,et al.  Un'Ipotesi Sull'Evoluzione dei Limonium del Bacino del Mediterraneo , 1971 .

[37]  Ö. Nilsson,et al.  Chromosome numbers of vascular plants from Austria, Mallorca and Yugoslavia , 1971 .

[38]  B. Gardiner,et al.  Linnean Society of London , 1956, Nature.

[39]  F. D'amato.  Triploidia e Apomissia in Statice Oleaefolia Scop. Var. Confusa Godr. , 1949 .

[40]  H. C. Choudhuri.  Chromosome Studies in some British Species of Limonium1 , 1942 .

[41]  Dott. Francesco D'Amato.  Contributo All'Embriologia Delle Plumbaginaceae (con 103 figg. nel testo) , 1940 .