命名来源
组1. 伞房组——Sect. Parthenium (Brig.) Tzvel.
Tzvel. in Fl. URSS 26: 201. 1961. ——Tanacetum sect. Leucoglossa ser. 1. Microsperma Sch.-Bip., Tanacet. 55. 1844. ——Tanacetum sect. Pyrethrum subsect. Parthenium Briq. in Burnat, Fl. A1p. Marit. 6: 119. 1916. 形态特征