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Variation in leaf morphology of Tilia spp. of in Hyrcanian forests | ||
| Taxonomy and Biosystematics | ||
| مقاله 3، دوره 2، شماره 3، مهر 2010، صفحه 11-24 اصل مقاله (748.15 K) | ||
| نوع مقاله: Original Article | ||
| نویسندگان | ||
| Hamed Yosefzadeh1؛ Masoud Tabari* 1؛ Abasalt Hosseinzadeh Colagar2؛ Mostafa Assadi3؛ Ali Sattarian4؛ Habib Zare5 | ||
| 1Department of Forestry, Faculty of Natural Resources and Marine Sciences, Tarbiat Modares University, Noor, Iran | ||
| 2Department of Biology, Faculty of Basic Sciences, University of Mazandaran, Babolsar, Iran | ||
| 3Research Institute of Forests and Rangelands of Iran | ||
| 4Department of Forestry, Agriculture and Natural Resources of Gonbad University, Iran | ||
| 5Agriculture and Natural Resources Research Center of Mazandaran, Iran | ||
| چکیده | ||
| This research was carried out in order to investigate the presence of different species from the genus Tilia,. Phenetic analysis confirmed the presence of seven groups of leaves with distinguishable character from Tilia in Hyrcanian forests. Distinctive analysis presented the size of serrate, the presence of trichome on the leaf upper and lower surfaces and on the petiole as important discriminating traits. The fourth group was separated from other groups due to the presence of trichome on the two sides of leaves, dull green color and leathery leaves. Size of serrate, long acuminate tip were diagnostic traits of second and third groups, but lower surface and petiole of leaves of second groups had settelate trichomes. In the fourth and fifth groups, lower surface of leaves had settlate trichomes with short aristate and short acuminate, but the petiole of forth group had settlate trichome. In the sixth group, only petiole had trichome, while the leaf surface and petiole of seventh group was glabrate. In conclusion, this research, in addition to confirming the presence of of Tilia platyphyllos doubted the presence of Tilia begonifolia Steven, Tilia caucasica Rupr. and Tilia dasystyla Steven in the north of Iran. Also, it reported a new form of the genus Tilia in mountainous regions of Hyrcanian forests. However, definite decision regarding this case depends on complementary studies including investigating fruits and flower morphology with application of molecular techniques. | ||
| کلیدواژهها | ||
| Tilia؛ Leaf Morphology؛ Systematic؛ Hyrcanian Forest | ||
| مراجع | ||
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