This study aims to determine the leaf anatomical structure of several plants belonging to the Lamiaceae family including basil (Ocimum sanctum L.), lavender (Lavandula angustifolia Mill.), sungkai (Peronema canescens Jack.), red salvia (Salvia splendens Sellow ex Roem. & Schult.), buakchao grass (Anisomeles indica (L.) Kuntze), undel-undel grass (Hyptis rhomboidea Mart & Gal.), pagoda flower (C…