نتایج جستجو برای: asteraceae description
تعداد نتایج: 278014 فیلتر نتایج به سال:
BACKGROUND Pollen released by allergenic members of the botanically unrelated families of Asteraceae and Cupressaceae represent potent elicitors of respiratory allergies in regions where these plants are present. As main allergen sources the Asteraceae species ragweed and mugwort, as well as the Cupressaceae species, cypress, mountain cedar, and Japanese cedar have been identified. The major al...
گونه h. piranshahricum به عنوان گونه جدید از ایران معرفی می گردد. این گونه متعلق به بخش sect. pratensina و زیر بخش subsect. pratenses است و با گونه h. longiscapum قرابت زیادی دارد. در گونه h. longiscapum ساقه با کرک های ستاره ای و غده ای، دمگل آذین و برگه های گریبان با کرک های غده ای، تعداد برگ های قاعده ای 2-4 و مستطیلی، برگهای ساقه ای 1 (-2)، تعداد کپه های گل آذین 2-10، برگهای ناحیه گل آذین...
گونة scorzonera ovataکه از شمال شرقی ایران جمع شده است برای اولین بار و گونة scorzonera longipapposaکه از جنوب ایران جمع آوری گردیده است به عنوان گونه ای جالب از ایران گزارش می شوند.
گونهtanacetum zahlbruckneri از شمال غرب ایران (ارومیه، سرو) برای فلور ایران گزارش می شود. این گونه معمایی پیش از این دو بار به اشتباه از ماکو و دره قاسملوی ارومیه برای ایران به عنوان گزارش جدید معرفی شده بود. شرح کامل گیاه شناسی، صفات متمایز کننده و پراکنش گونه در دنیا به همراه جایگاه فیلوژنتیکی آن براساس داده های توالیnrdna its در چارچوب مولکولی در کنار سایر گونه های جنس tanacetum ارایه شده ...
this study aimed to determine phenolic compounds of artemisia spicigera (family asteraceae) growing in east-azarbaijan province of iran. 20%, 40 % and 60% spe fractions of methanolic extract of a. spicigera, were subjected to reversed phase preparative hplc, with the mobile phase consisted of methanol and water. structural identification of phytochemicals by spectroscopic methods including uv a...
objective(s): artemisia is a genus of herbs and small shrubs forms an important part of natural vegetation in iran. it has been reported that several artemisia species possess anti-proliferative effects. considering the value of this genus in anti-cancer researches we have chosen artemisia biennis for cytotoxic and mechanistic studies. materials and methods:in this study we have investigated th...
The application of metabolomics in phytochemical analysis is an innovative strategy for targeting active compounds from a complex plant extract. Species of the Asteraceae family are well-known to exhibit potent anti-inflammatory (AI) activity. Dual inhibition of the enzymes COX-1 and 5-LOX is essential for the treatment of several inflammatory diseases, but there is not much investigation repor...
In the Brazilian Cerrado (neotropical savanna), the development of bud-bearing underground systems as adaptive structures to fire and dry periods can comprise an important source of buds for this ecosystem, as already demonstrated in the Brazilian Campos grasslands and North American prairies. Asteraceae species from both woody and herbaceous strata have subterranean organs that accumulate carb...
BACKGROUND Traditional medicinal plant species documentation is very crucial in Ethiopia for biodiversity conservation, bioactive chemical extractions and indigenous knowledge retention. Having first observed the inhabitants of Gubalafto District (Northern Ethiopia), the author gathered, recorded, and documented the human traditional medicinal plant species and the associated indigenous knowled...
Specimens of the knapweed nematode Subanguina picridis (Kirjanova) Brzeski obtained from different host plants were highly variable in measurement and structure. This variability refutes the validity of six Subanguina species attacking plants in the Asteraceae.
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