A new species and a new natural hybrid of Origanum L. (Lamiaceae) from the west of Turkey

被引：30
作者：
Dirmenci, Tuncay [1 ]
Yazici, Turker [1 ]
Ozcan, Taner [1 ]
Celenk, Sevcan [2 ]
Martin, Esra [3 ]
机构：
[1] Balikesir Univ, Necatibey Fac Educ, Dept Biol Educ, Balikesir, Turkey
[2] Uludag Univ, Fac Arts & Sci, Dept Biol, Gorukle Campus, Bursa, Turkey
[3] Necmettin Erbakan Univ, Dept Biotechnol, Fac Sci, Konya, Turkey
来源：
TURKISH JOURNAL OF BOTANY | 2018年 / 42卷 / 01期
关键词：
Aydin; endemic; hybrid; homoploid; chromosome; ITS; rpl32; Turkey; MOLECULAR EVIDENCE; ORIGIN; ASTERACEAE; SPECIATION; ANGIOSPERMS; GENOME; PLANTS; MATK;
D O I：
10.3906/bot-1704-35
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
Origanum ayliniae Dirmenci & Yazici, which differs significantly from O. dictamnus L., is described for the first time in this paper. In addition, a new hybrid, O. x adae Dirmenci & Yazici, between O. ayliniae and O. sipyleum L., is described and investigated in detail. The general morphology, pollen structure, chromosome features, and nuclear (ITS) and chloroplast (rpl32) genomes of collected specimens were studied. O. x adae was determined to have some intermediate properties morphologically and palynologically that place it between the parents. Pollen size and shape were important features in the diagnosis of the hybrid and its parents in this study. The somatic chromosome number of O. ayliniae, O. x adae, and O. sipyleum was counted as 2n = 30. According to the results of these different approaches, O. ayliniae differs significantly from O. dictamnus, which has a close relationship with O. ayliniae, and O. x adae has a hybrid nature. These results support previous reports for the speciation of Origanum members via hybridization. This study aimed to present a new species (O. ayliniae), a new hybrid of O. x adae, and their differences. In conclusion, O. ayliniae, O. x adae, and O. sipyleum provide significant morphological, micromorphological, palynological, cytological, and molecular information about homoploid hybridization.
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页码：73 / +
页数：19
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