Dracocephalum jacutense is endemic to eastern Siberia of Russia and accepted in the rare endangered category. The plant was first collected by K.S. Baikov 1985 vicinity village Sangar (Kobyaysky district, Yakutia) then described G.A. Peshkova “Flora Siberia” 1997. D. has been introduced Botanical Garden Yakutia since 2009. aim this work conduct a comparative analysis chemical composition aerial...

Background & Aim: Iran with about 8000 plant species and 1728 endemic species; is one of the most important sources of medicinal plants. Dracocephalum kotschyi Boiss., belonging to the Lamiaceae family, is one of the endemic plants in Iran. It grows in regions of Chaharmahal and Bakhtiari, Esfahan, Gorgan, Mazandaran, Hamedan, Kermanshah, Lorestan, Tehran, Fars and the northern heights of Semna...

Dracocephalum ruyschiana L. is an Eurasian continental species with a fragmented distribution extending from the boreal regions to Asian steppes and European mountains. In Pyrenees it only known three locations in France, but two of them have not been rediscovered modern times, there are no citations Spain or Andorra. summer 2021 population was found Val d’Aran (Catalan Pyrenees, Spain). A comp...

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...