ECOLOGICAL INVESTIGATION OF SOME AROMATIC PLANTS FROM LAMIACEAE FAMILY IN YAZD PROVINCE

According to national project of "identification and ecological investigation of Aromatic plants" collection and identification of Lamiaceae family Aromatic plants in different regions of Yazd province were done. Then the ecological parameters of different plantations such as pedology, latitude, altitude, slope direct, slope percentage, annual precipitation and mean temperature, climate, dominant species, companion species and the best habitat with respect to abundance and density were recorded. The results showed, out of 71 aromatic plant species, 34 belonged to 15 genera related to Lamiaceae family. The important genera are Nepeta with 9 species and Salvia with 7 species. Biological forms of species include:Hemichryptophytes 52.9 %, Cryptophytes 11.8 %, Therophytes 20.6 %, Chamaephytes 11.8 % and phanerophytes 2.9 %. Hemichryptophytes have the most evential biological form. Most of these species are in high and mountainous areas.