STUDY OF THE FLORA COMPOSITIONS IN MIENG MOUNTAIN, PHUC THINH COMMUNE, NGOC LAC DISTRICT, THANH HOA PROVINCE

Abstract

Studies of the flora system in Mieng mountain, Phuc Thinh commune, Ngoc Lac district, Thanh Hoa province show that there are 117 species belonging to 98 genera of 47 families; in which Magnoliophyta is the most diverse, repesenting 87.23% of the families, 92.86% of the genera and 91.45% of the total species, other division account for negligible percentage. The flora system in this area represented of 17 out of 20 geographical factors of the flora in Vietnam, of which geographical element of tropical Asia account for the highest percentage (21.37%). The Spectrum of Biology (SB) of the flora in Mieng was summarized as follows: 53.45% Ph +12.93% Ch + 15.52% He + 9.48% Cr + 8.62% Th. Medicinal plant species in the Mieng mountain dominate with 67 species (accounting for 41.36%). The distribution of plant species is not uniform at the altitudes, the highest number of species at the lowest altitude and the lowest number of species at the mountain peak.