异叶地笋

var. maackianus Maxim. ex Herd. Pl. Radd. Monop. n. 555. 1861, nom.: in Bull. Soc. Nat. Moscou 61: 131. 1885; Korsh. in Act. Hort. Petrop. 12: 376. 1892 ——Lycopus sinuatus Regel in Mem. Acad. Sci. St. Petersb. VII, 4: 115, n. 381. 1861, non Ell. ——Lycopus angustus Makino in Bot. Mag. Tokyo 11: 382. 1897, nom. nud.; in ibid. 12: 105. 1898; Matsum. Ind. Pl. Jap. 2: 542. 1912; Nakai in Bot. Mag. Tokyo 36: 177. 1922——Lycopus maackianus (Maxim.) Makino in Bot. Mag. Tokyo 11: 382. 1897, quoad syn. , excl. nom. Jap. ; (Maxim.) Komarov in Act. Hort. Petrop. 25: 381. 1907; et in Fedde Repert. Sp. Nov. 5: 273. 1908; Dunn in Journ. Linn. Soc. Bot. 39: 465. 1911; Matsum. et Kudo in Bot. Mag. Tokyo 16: 300. 1912; Kudo in Journ. Coll. Sci. Univ. Tokyo 43: 43. 1921; et in Mem. Fac. Sci. Agr. Taihoku Univ. 2: 83. 1929, p. p. ; Kitagawa, Lineam. Fl. Mansh. 381. 1939; Volkova in Fl. URSS 21: 594. 1954.

这一变种与原变种不同在于茎细弱，高20-50厘米；茎下部叶椭圆形或披针形，近羽状深裂，中部叶有疏锯齿，上部叶线状披针形，近于全缘。

产黑龙江；生于湿草地上。模式标本采自黑龙江。