Interest in oilseeds and oilseed crop production has recently been heightened by the growing potential for biofuels. Traditional oil seed crops, such as sunflower (Helianthus annuus L., Asteraceae), flax (Linum usitatissimum L., Linaceae), and more recently canola (Brassica napus L., Brassicaceae) have become crops of major importance in the region. The key to their production success is multi-...

Marcomeria viridiflora (Boraginaceae) is pollinated by broad-tailed and rufous hummingbirds in the White Mountains of Arizona. This is the first hummingbird-pollinated member of the family Boraginaceae to be recorded in western North America. It provides one more example of a predominantly beepollinated plant group that has given rise to one or a few exceptional species of hummingbird flowers i...

OBJECTIVE This review focuses on the medicinal plants growing and having history of folk medicine in Iran and found effective as anti free radical damage in animal or human. DESIGN Embase, Scopus, Pubmed, Web of Science, Google Scholar, IranMedex, and SID databases were searched up to 2 February 2008. The search terms were antioxidant or "lipid peroxidation" and "plant, medicinal plant, herb,...