Irano-Turanian floristic region in Turkey appears to be the center of origin Crepis foetida subsp. rhoeadiflolia (Asteraceae). In this study, karyotype and flow cytometric analyses six populations C. were performed. The cytogenetic characteristics using multivariate (cluster analysis, principal components analysis) evaluated a cytogeographic context. Two main groups are found based on among dis...

Medical plants are adapted to different kinds of dormancy to survive in the worst situations. Regarding to ecological viewpoint, this kind of adaptation is very important in respect to restriction of genetic draft and decrease of genetic resource of medicinal plants. This leads to plant survival even after prolonged drought. Since some of them are endangered species and in the other hand increa...

The environmental contaminants mercury and methylmercury cause teratogenic, nervous, and renal damage in mammals (Venugopal and Luckey 1978). Methylmercury interferes with the normal development of tadpoles (Chang et al. 1974) and with the regeneration of fins in fish (Weis and Weis 1978) and limbs in crabs (Callahan and Weis 1983). Because mercury is highly toxic, it has been measured in a wid...

Two new cycloartane-type triterpene glycosides, namely cimicifoetisides A (1) and B (2), along with seven known compounds cimigenol, 25-O-acetylcimigenol, cimigenol 3-O-beta-D-xylopyranoside, 12beta-hydroxycimigenol 3-O-beta-D-xylopyranoside, cimigenol 3-O-alpha-L-arabinopyranoside, 25-deoxyshengmanol 3-O-beta-D-xylopyranoside and cimilactone A, were isolated from the rhizomes of Cimicifuga foe...

Psammomys mange clcctivement les tiges et les feuilles salees et succulentes de plusieurs especes de plantes de la famille des Chenopodiacees. Des donnees sur les preferences et les besoins alimentaires de 1'animal sont presentees et notamment sur les quantites qu'il peut ingerer lorsqu'il mange exclusivement soit Suaeda mollis, soit Traganum nudatum, sdit Salsola foetida. Au laboratoire comme ...

Despite the increasing sales of black cohosh (the dried rhizome and root of Cimicifuga racemosa L.) in the world herbal market, these products have continuous adulteration issues. The botanical authenticity of the black cohosh products is the first important step for ensuring their quality, safety and efficacy. In this study, we genetically identified the botanical sources of 10 black cohosh pr...

Fifteen populations of Pimpinellifoliaeae section from the species; Rosa pimpinellifolia, R. hemispherica, R. foetida and a new species, R. abrica, were collected from eight provinces of Iran and were studied on the basis of their morphological characters. In each population five plants were randomly selected and some branches were harvested in spring and autumn for studying their vegetative an...