Morphological, anatomical and antibacterial characteristics of Leonotis nepetifolia plants growing in Binh Thuan Province, Vietnam

Lion's ear [Leonotis nepetifolia (L.) R. Br.] is a Vietnamese medicinal plant that has been described in basic morphology and isolated for number of chemical compounds. This study aims to supplement database morphology, micro-anatomy antibacterial abilities this species. Micro-anatomical analysis was based on double staining method microscopic dimensional measurement plant. The capacity the diameter inhibitory zone. results showed had characteristics adapting dry light conditions region. Leaf extract at content 4.8 8.0 mg best ability 5 strains bacteria B. cereus, S. aureus, E. faecalis, P. aeruginosa, coli. inhibition zone diameters were 0.27, 10.33, 5.00, 3.80 2.23 mm, respectively.