The Density Status of Cyclotrichium niveum (Boiss.) Manden. & Scheng. Species Showing Natural Distribution in Adiyaman Province and the Comparison of Different Locality Populations in terms of Essential Oil Contents

ABSTRACT: Cyclotrichium niveum (Boiss.) Manden. & Scheng species which is a member of Lamiaceae family, being an endemic species to our country, is named as külotu (dag nanesi) by locals in its natural habitats and it is consumed as a herbal tea for various health problems. For this reason, a need has arisen to make such a study in order to determine the natural distribution and status of the plant within Adiyaman province borders. It has been determined that the species has a distribution near the west (860-963 m), and North-west 1040-1617 m of Nemrut Mountain and Ulubaba Mountain (1650-1750 m). Sociability and covering status in populations are averagely on 2 and 2 (22), respectively. In samples representing the population the plant height has varied between 27- 48 cm. Besides, it has been determined that essential oil contents of dry leaf are between 1.6- 3.6 % in the samples taken during the flowering period according to the distribution status and density of the plants. Taxon's IUCN danger category is "VU"