15 research outputs found

    Resurrection of Ornithogalum brevipedicellatum (Asparagaceae) with morphological and molecular data

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    This study evaluates Ornithogalum brevipedicellatum, which was previously accepted as a synonym of O. oligophyllum, as a separate distinct species and discusses the similarities and differences between O. brevipedicellatum and its related species (O. oligophyllum and O. pamphylicum). Similarities and differences among these species were identified by morphological and molecular studies. The leaf morphology and inflorescence of O. brevipedicellatum and O. pamphylicum are similar to each other, and in terms of these features, they show differences from O. oligophyllum. Some diagnostic characteristics are quite different in O. brevipedicellatum and O. pamphylicum, such as the size of tepals, length of fruiting pedicels and style. Morphological data were supported by the results obtained from molecular studies. According to a dendrogram obtained by molecular studies, O. brevipedicellatum and O. pamphylicum are similar. O. oligophyllum is more closely related to O. pyrenaicum used as an out-group. Additionally, the seeds of O. brevipedicellatum were examined with the use of scanning electron microscopy

    Cephalaria anamurensis (Caprifoliaceae), a new species from south Anatolia, Turkey

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    A new species, Cephalaria anamurensis (Caprifoliaceae) is described and illustrated from south Anatolia, Turkey. The species grows on steppe and stony places in Anamur (C4 Mersin province) in south Anatolia. Diagnostic morphological characters from closely similar taxa are discussed. The geographical distribution of the new species and two closely related species in Turkey are mapped

    Omphalodes nedimeae (Boraginaceae), a new species from the Mediterranean Region of Turkey

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    Aykurt, Candan, Sümbül, Hüseyin, Gülben, Mertcan, Sari, Duygu, Konuralp, Leman Yasemin (2021): Omphalodes nedimeae (Boraginaceae), a new species from the Mediterranean Region of Turkey. Phytotaxa 498 (4): 242-254, DOI: 10.11646/phytotaxa.498.4.2, URL: http://dx.doi.org/10.11646/phytotaxa.498.4.

    Festuca albomontana (Poaceae), a new chasmophytic fescue from the Western Taurus Mountains (Antalya, Turkey)

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    A new species of Festuca from the Western Taurus Mountains (Antalya, Turkey) is described here and named F. albomontana. The new species can clearly be distinguished from the other species included in the F. alpina group by its leaf anatomical features. It has a geographically isolated position in the Western Tauruses whereas a closely related species, F. sommieri, is very local in the Black Sea Region of Turkey. It is suggested that it should be in the “critically endangered” threat category according to the International Union for Conservation of Nature (IUCN) criteria. Observations on the ecology of the population are noted

    Karyomorphology and nuclear DNA content of sixteen Ophrys L. taxa from Turkey

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    Karyotypes in 16 representative taxa of the Ophrys genus are compared, based on Feulgen-stained somatic metaphase chromosomes. The karyotypes of O. omegaifera subsp. israelitica, O. ulupinara, O. lycia, O. argolica subsp. lucis, O. argolica subsp. lesbis, O. climacis and O. reinholdii subsp. reinholdii are described for the first time. Karyological analyses indicate relationships among the species with respect to their asymmetry indices. All Ophrys taxa studied were diploid with 2n=2x=36 chromosomes. One B chromosome has been detected among the chromosomes of O. argolica subsp. lucis. All karyotypes are symmetrical, consisting of metacentric and submetacentric chromosomes. The longest chromosomes of all the investigated specimens contain a secondary constriction. It is determined that there is a correlation between the total number of chromosomes having secondary constrictions and the evolutionary development order of the taxa. Based on nuclear DNA content, analysis was carried out by flow cytometer using propodium iodide as fluorochrome, 2C nuclear DNA content of 16 Ophrys species varying between 20.80pg (O. argolica subsp. lucis) and 23.11pg (O. omegaifera subsp. israelitica). Karyotype asymmetry relationships are discussed according to the bidimensional scatter plots of A(1)-A(2), CVCL-CVCI, CVCL-M-CA and CVCI-M-CA

    Fatty Acid Profile and Biological Data of Four Endemic Cephalaria Species Grown in Turkey

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    The fatty acid compositions of the n-hexane extracts of the aerial parts of four Turkish Cephalaria species (C. paphlagonica, C. stellipilis, C. davisiana and C. elazigensis var. purpurea) were analyzed by GC-MS for the first time. The oil yields of these species were determined as ranging from 0.07% to 0.36 %. Seventeen fatty acids as methyl esters were identified. All extracts were found to contain significant quantities of palmitic, linoleic (LA), stearic and alpha-linolenic acid (ALA). ALA was the most abundant fatty acid in all species (29.00%, 30.51%, 32.49% and 34.87% for C. stellipilis, C. elazigensis, C. davisiana and C. paphlagonica, respectively). Other dominant fatty acid was palmitic acid, which ranged from 19.10% to 28.23% for all species. LA was detected in a considerable amount of 19.44 % for C. paphlagonica. The n-hexane extracts of the plants were also checked for their antimicrobial and antioxidant activities

    Taxonomic data supporting differences between Allium elmaliense and Allium cyrilli

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    The first specimens of Allium elmaliense were collected in Elmal? (Antalya/Turkey) in 2001 and were described as new species in 2004. However, Allium elmaliense was claimed as synonym of Allium cyrilli in 2006. This study was undertaken to reveal the differences between these taxa utilizing morphological, palynological, and chromosome characters and genomic differences based on the DNA analyses along with the ecological preference studies conducted during 2006 and 2011. The results clearly indicated differences between these two taxa in terms of morphological characters, pollen, seed surfaces and niche preferences. Chromosome morphology and Td-DAMD-PCR fingerprinting studies revealed that Allium elmaliense Deniz & Sumbul is a distinct species and not a synonym of A. cyrilli Ten
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