Leaf Anatomy and Micromorphology Characteristics of Ketum [Mitragyna speciosa (Korth.) Havil.] (Rubiaceae). Tropical Life Sciences Research, [S. l.], v. 32, n. 1, p. 107–117, 2021. DOI: 10.21315/tlsr2021.32.1.7. Disponível em: https://ejournal.usm.my/tlsr/article/view/tlsr_vol32-no-1-2021_7.. Acesso em: 6 may. 2024.