VASCULAR PLANT DIVERSITY IN LANDI KOTAL VALLEY, KHYBER AGENCY, PAKISTAN

Abstract

The present study recorded the vascular Flora of Landi Kotal Valley, Khyber Agency. The whole area was surveyed during the year 2012-2013 and a total of 94 plant species distributed in 85 genera and 48 families were recorded from the research area. Out of 94 species, 5 species belonging to 5 genera and 4 families were Monocots while the rest of the 89 species belonging to 80 genera and 44 families were Dicots. Maximum genera and species were in case of Asteraceae i.e. 10 genera being (11.76 %) and 12 species being (12.77 %) of the total genera and species. Asteraceae is followed by Lamiaceae with 7 genera being (8.24 %) and 7 species being (7.45 %) and Papilionaceae having 5 genera (5.88 %) and 6 species (6.38 %), which is then followed by Solanaceae having 4 genera (4.71 %) and 6 species (6.38 %). Solanaceae is followed by Mimosaceae with 3 genera (3.53 %) and 4 species (4.25 %) followed by Boraginaceae and Zygophyllaceae represented by 3 genera and 3 species each. The habitof plant species showed that 53.19 % were herbs, 23.40 % shrubs, 2.12 % subshrubs, 13.82 % trees, 1.06 % corms, 1.06 % bulbs, 2.12 % succulents, 1.06 % grass and 2.12 % climbers. According to life form observed, the perennials were 47.87 %, deciduous 10.63 %, evergreen 8.51 %, annuals 31. 91 % and biennials were 1.06 %.