Subsect. Capitatae Linn. (Labiatae)
亚组2.头序薄荷亚组——Subsect. Capitatae Linn. Sp. Pl. ed. 2: 805. 1763, div. ; Briq. in Fngl. u. Prantl, Nat. Pflanzenfam. 4, 3a: 320. 1897; Boriss. in Fl. URSS 21: 608. 1954, pro sect.——§Terminalis Benth. in DC. Prodr. 12: 165. 1848, p. p. ——§Arvenses Benth. in 1. c. 171. 1848, p. p.
形态特征：轮伞花序1-3聚集成顶生短头状花序，稀成总状花序，最下方的轮伞花序有时腋生；叶低于轮伞花序；花萼管状或管状钟形；花冠喉部无毛或有毛；小坚果无毛。