Rabdosia japonica (Burm. f.) Hara var. glaucocalyx (Maxim.) Hara (Labiatae)
7b.蓝萼变种 蓝萼香茶菜（东北植物检索表，辽宁经济植物志），山苏子（河北兴隆）
名称文献：var. glaucocalyx (Maxim.) Hara in Journ. Jap. Bot. 47( 7): 196. 1972——Plectranthus glaucocalyx Maxin. in Mem. Acad. Sci. St. Petersb. Sav. Etrang. 9: 212, 475. 1859; Regel in Mem. Acad. Sci. St. Petersb. VII, 4(4): 114, n. 376. 1861; Fr. Schmidt in Mem. Acad. Sci. St. Petersb. 12(2): 299. 1868; Maxim. in Mel. Biol. Bull. Acad. Sci. St. Petersb. 9: 426. 1875; et in Bull. Acad. Sci. St. Petersb. 20: 453. 1875, quoad var. typicus Maxim. ; Franch. Pl. David. 1: 233. 1884; et in Mem. Soc. Sci. Nat. Cherbourg 24: 241. 1884; Herder in Bull. Soc. Nat. Moscou 59: 242. 1884; t in Ber Deutsch. Bot. Ges. 4: t. 6. f. 29-32. 1886; Hemsl. in Journ. Linn. Soc Bot. 26: 271. 1890; Kosh. in Act. Hort. Petrop. 12: 375. 1892; Komarov in Act. Hort. Petrop. 25: 394. 1907; Nakai in Journ. Coll. Sci. Univ. Tokyo 31: 140. 1911; Dunn in Notes Bot. Gard. Edinburgh 6: 137, 142. 1915; Diels in Fedde, Repert. Sp. Nov. 12: 479. 1922; Kudo in Journ. Coll. Sci. Univ. Tokyo 43(8): 53. 1921; Liu, Chihli Fl. 151. 1928; Hu et Tsai, 静生汇报2: 262. 1921; Belval in Mus. Heude Notes Bot. Chin. 2(2): 99. 1933; Hand. -Mazz. in Act. Hort. Gothob. 9: 97. 1934; 13: 367. 1939, in clavi; Volkova in Fl. URSS 21: 639. 1954——Isodon glaucocalyx(Maxim. ) Kudo in Mem. Fac. Sci. Agr. Taihoku Univ. 2: 126. 1929(var. typicus)——Plectranthus japonicus(Burm. f. )Koidz. var. glaucocalyx(Maxim. )Koidz. Fl. Symb. Orient. Asiat. 14. 1930——Amethystanthus japonicus(Burm. f. )Nakai var. typicus(Maxim. )Nakai in Bot. Mag. Tokyo 48: 789. 1934——Amethystanthus glaucocalyx(Maxim. )Nemoto, Fl. Jap. Suppl. 628. 1936.
形态特征：这一变种与原变种不同在于叶疏被短柔毛及腺点，顶齿卵形或披针形而渐尖，锯齿较钝；花萼常带蓝色，外面密被贴生微柔毛。
产地分布：产黑龙江，吉林，辽宁，山东，河北及山西；生于山坡、路旁、林缘、林下及草丛中，海拔可达1800米。苏联远东地区，朝鲜，日本也有。模式标本采自黑龙江。