Characteristics of Mahogany Stomata (Swietenia macrophylla K.) in Polluted Environments

One of a plant that is usually used as a green roadside plant in the urban area is mahogany (Swietenia macrophylla K.).The influence of environmental pollution in plants can be seen from stomata in the leaves.This study was aimed to determine the characteristic of the mahogany leaf stomata in a polluted environment.The observed characteristics were a type of stomata, density and distribution stomata.The research was conducted in March to July 2019 in the Botanical Laboratory, Faculty of Mathematics and Science of Natural Sciences, Universitas Negeri Padang.Samples were collected on Prof. Dr. Hamka street and controls were collected at Bung Hatta Forest Parks.The method of stomata observation was a replica method.The type of stomata found was anomocytic.The difference in stomata density in both locations was significant.The stomata density on Jl.Prof. Dr. Hamka was higher than that of Bung Hatta Forest Parks.Stomata of mahogany were found on the lower part of the leaf or also called hypostomatic distributed.