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Abstract
Angelica glauca (Apiceae) is one of the important medicinal and aromatic plant species (MAPs) of the Himalaya. Medicinal and aromatic properties of this species are well described in literature elsewhere. Samples were collected during the month of September from two distant populations i.e. Sissu (Himachal Pradesh) and Panwali Kantha (Uttarakhand), India. Essential oil was extracted from chopped underground parts using Clevenger-type apparatus and analyzed. Variations exist in quantitative as well as qualitative parameters of the essential oil samples between selected populations. Samples collected from Panwali Kantha showed highest percentage of Z-ligustilide. Variations in the composition of essential oil indicate that genetic variability exists among different populations of A. glauca.