Mentha longifolia (L.) L. [ Mentha sylvestris L.]
      
no HD illustration available (m4)
47 658801 Mentha longifolia (L.) L. [118 659721 Mentha spicata var. longifolia L.] Labiatae
K.R. Kirtikar, B.D. Basu, Ind. Med. Pl., Plates, vol. 4 : t. 757, fig. B (1918)