نتایج جستجو برای: cyperus
تعداد نتایج: 1205 فیلتر نتایج به سال:
طی جمع آوری نمونه های گیاهی از استان خوزستان، نمونه هایی از گونه eleocharis atropurpurea و همچنین گونه های cyperus iria, fimbristylis miliacea و schoenoplectus lupulinus جمع آوری گردید. گونه eleocharis atropurpurea برای اولین بار از ایران گزارش می شود و بقیه گونه ها به عنوان گونه های کمیاب از ایران جمع آوری شده و به همین جهت منطقه انتشار آنها گزارش می شود.
Four sesquiterpenes, beta-selinene, isocurcumenol, nootkatone and aristolone and one triterpene, oleanolic acid were isolated from the ethylacetate fraction of the rhizomes of Cyperus rotundus and tested for their ability to modulate gamma-aminobutyric acid (GABA(A))-benzodiazepine receptor function by radioligand binding assays using rat cerebrocortical membranes. Among these compounds, only i...
Four plants, Cyperus ochraceus, Eriocaulon compressum, Lythrum alatum, and Xyris jupicai, growing along the shoreline of an oligotrophic lake in north central Florida were sampled for nematodes. The nematodes recovered were placed in four trophic groups: bacterivores, herbivores, omnivores, and predators. When the nematodes on all plants were considered, 27% were bacterivores, 23% were herbivor...
The genus Cyperus with five subgenus and 29 species, is the second largest genus of Cyperaceae family in flora of Iran. In this research, stem and leaf anatomy of 10 species belonging to subgenus Cyperus is investigated. The stems in transverse section of all examined species were triangular except for C. bulbosus which was subterete to polygonal. The ground tissue was spongy with numerous and ...
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