background: there are eight taxus species and two hybrids in the world and taxus baccata l. (european yew) is the single representative in iran. until now, a large number of taxoids possessing different skeleton systems, as well as lignans, flavonoids, steroids and sugar derivatives have been isolated from various taxus species. taxoids are highly oxygenated diterpenes isolated from different s...

The forests of north-eastern Croatia, as well as various plants and trees in the parks and streets of the Osijek-Baranja County, produce large amounts of pollen during the pollen season, which can cause allergy symptoms in pollen sensitive individuals. The aim of this study was to determine the most frequent types of pollen in this area and estimate possible health risks, especially the risk of...

male and female leaves and fruits of eleven different taxons of iranian conifers (cupressus sempervirens var. horizontalis, c. sempervirens var. sempervirens, c. sempervirens cv. cereifeormis, juniperus communis subsp. hemisphaerica, j. excelsa subsp. excelsa, j. excelsa subsp. polycarpos, j. foetidissima, j. oblonga, j. sabina, platycladus orientalis and taxus baccata) were collected from diff...

Varied floristic works relevant to Kashmir Himalaya were thoroughly examined compile taxonomic contributions of various taxonomists viz. a diversity in gymnosperms this region. Extensive field surveys and standard methods used locate, collect, identify prepare an updated list the target group. A total 25 species belonging 13 genera 6 families 4 orders have been documented from Himalaya. Wild ar...

The genus Taxus (yews) is the largest of family Taxaceae. It comprises about 24 species with 55 varieties distributed mainly in Asia, Europe, North Africa, and America. In addition to taxane diterpenoids cancer drug taxol, its contain many essential oils actual or potential biological activity. This review covers chemical constituents as well activities these that have been studied fourteen cou...