نتایج جستجو برای: Khorassan

تعداد نتایج: 111  

2013
Farshid Memariani Mohammad Reza Joharchi Ali Asghar Arjmandi

Bromus sect. Triniusa is revised in Khorassan based on the new taxonomic concepts of Bromus danthoniae complex group and a remarkable herbarium material collected from Khorassan (Kopetdagh, northeastern Iran), as the main center of its diversity. Bromus turcomanicus, a narrow endemic species in central Kopetdagh hitherto known only from the type locality in southern Turkmenistan, is newly recor...

Journal: :Zeitschrift fur Naturforschung. C, Journal of biosciences 2003
Alireza Ghannadi Iraj Mehregan

The hydro-distilled essential oil from dried aerial parts of one of widespread Iranian skullcaps, Scutellaria pinnatifida A. Hamilt. sap. alpina (Bornm.) Rech. grown in Khorassan province was analyzed by GC and GC/MS. Thirty components were characterized ing 93.8% of the total components detected. The major components of the oil were germacrene-D (39.7%) and beta-caryophyllene (15.0%).

2008
Sanaeinejad S. H Hosseini S. N

Saffron is an important crop in social and economical aspects in Khorassan Province (Northeast of Iran). In this research we tried to evaluate trends of saffron yield in recent years and to study the relationship between saffron yield and the climate change. A regression analysis was used to predict saffron yield based on 20 years of yield data in Birjand, Ghaen and Ferdows cities. Climatologic...

ژورنال: The Iranian Journal of Botany 2011

Cousinia glochidiata (Sect. Pseudactinia) and C. albiflora (Bornm. & Sint.) Bornm. (Sect. Stenocephalae), two narrow endemics to Kopetdagh mountains, are newly recorded for the flora of Iran from Razavi and North Khorassan provinces near the borders of Turkmenistan. The presence of C. apiculata Tscherneva in Iran is confirmed. New localities and additional notes on the distribution and conserva...

Journal: :علوم 0

this project was conducted to study the taxonomy of tribe vicieae based on morphological characters. the specimens were collected from different parts of khorassan, and after identification they were preserved at ferdowsi university of mashhad herbarium (fumh). diagnostic keys and a complete list of distribution regions for all species of this tribe in khorassan were presented. cicer kermanense...

ژورنال: :مجله گیاهشناسی ایران 2011
فرشید معماریانی محمدرضا جوهرچی

cousinia glochidiata (sect. pseudactinia) and c. albiflora (bornm. & sint.) bornm. (sect. stenocephalae), two narrow endemics to kopetdagh mountains, are newly recorded for the flora of iran from razavi and north khorassan provinces near the borders of turkmenistan. the presence of c. apiculata tscherneva in iran is confirmed. new localities and additional notes on the distribution and cons...

ژورنال: :مجله گیاهشناسی ایران 2006
فریده عطار محمد رضا جوهرچی مصطفی نوروزی احمد حاتمی

جنس اسکروفولاریا در ایران دارای 60 گونه است که از این تعداد 26 گونه انحصاری ایران هستند. در میان نمونه های جمع آوری شده ایران شش گونه به عنوان گونه های جدیدی شرح داده شده و به نامهای s. alhagioides, s. crassipedunculata,s. ispahanica, s. khorassanica, s. schiraziana, s. tortuosissima,  نامگذاری شدند. این گونه ها با نزدیکترین گونه های خویشاوند خود مقایسه می گردند. گونه s. rosulata   نیز که پراکن...

Journal: رستنیها 2013
Ali Asghar Arjmandi Farshid Memariani, Mohammad Reza Joharchi

Bromus sect. Triniusa is revised in Khorassan based on the new taxonomic concepts of Bromus danthoniae complex group and a remarkable herbarium material collected from Khorassan (Kopetdagh, northeastern Iran), as the main center of its diversity. Bromus turcomanicus, a narrow endemic species in central Kopetdagh hitherto known only from the type locality in southern Turkmenistan, is newly recor...

ژورنال: :مجله گیاهشناسی ایران 2014
حمیدرضا شرقی علی اصغر ارجمندی فرشید معماریانی محمدرضا جوهرچی

.rosa freitagii ziel به عنوان گونه جدیدی برای فلور ایران از استان خراسان جنوبی معرفی می­ شود. این گونه از نظر ریخت شناسی با نزدیک ترین گونه خویشاوند خود یعنی  .rosa moschata herrm که قبلاً از ایران گزارش شده، مورد مقایسه قرار می­ گیرد. تصاویر، نقشه پراکندگی و اطلاعاتی درباره جغرافیای زیستی، وضعیت حفاظتی و زیستگاه آن ارایه می گردد. همچنین گزارش­های قبلی مبنی بر حضور گونه .rosa webbiana wall در ای...

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