A composition of taxa included in Dracocephalum imberbe Bunge s. l. is discussed. Species rank D. laniflorum Rupr. reinstated based on the following characters: underground part represented by a system branching rhizomes, bracts absent, calyx 12–14 mm long, with triangular or narrowly triangular, pointless teeth, middle tooth upper lip up to 1.5 times wider than lateral ones and plant being nea...

The genus Dracocephalum L. (Lamiaceae) with about 60 to 70 species is a in the sub-tribe Nepetinae, tribe Mentheae of Lamiaceae family, native temperate regions Northern Hemisphere. They are mostly perennial herbs, and rarely annual. Flora Iranica reports 8 Iran 10 out which, 4 endemic. We collected 7 studied delimitation relationship by morphometric anatomic results. were efficiently delimited...

 D. kotschyi is a source of essential oils with medicinal properties such as antihyperlipidemic, immunomodulatory, antinociceptive and cytotoxic effects. This study aimed to investigate whether the application of chitosan can improve plant growth, increase secondary metabolite production and help antioxidant enzymatic systems in Dracocephalum kotschyi under in vitro culture. Tow-week-old seedli...

Background: A number of aromatic medicinal plants used for treating infection disease have been mentioned in different phytotherapy manuals due to their availability, fewer side effects, and reduced toxicity.Dracocephalum L is one of the most important genuses of Lamiaceae.The aim of our study was to evaluate the chemical compositions of Dracocephalum Lind...

introduction: unsaturated fatty acids , one of the most important components of biological membranes , are very sensitive to oxidation processes. damage to cells and tissues by oxidation of these kinds of acids is one of the most important contributing  factors in many diseases, such as, atherosclerosis, rheumatoid arthritis and cancer. there are some available antioxidant synthetic compounds i...