Morphological, anatomical and antibacterial characteristics of Persicaria maculosa Gray plants growing in Lang Sen Wetland Reserve, Long An province, Vietnam

This study aimed to understand the adaptation characteristics of species Persicaria maculosa living conditions and add data on them as folk medicinal plants Vietnam. Research methods included analysis external morphological microscopic structure stems, leaves roots. The antibacterial activities ethanol plant extracts four bacterial strains were also conducted through agar well diffusion method. results showed that had formed anatomical features adapt waterlogging shade conditions. leaf from concentrations 600 1,000 mg/L bacteriostatic against all experimental with inhibition zones 2.39 10.91 mm, in which Bacillus cereus was best.