簡介
過路黃組報春花科，黃連花亞屬。
Sect. Nummularia (Gilib.) Klatt in Abh. Natures. Ver. Hamb. 4, 4: 7. 1866; R. Knuth in Engl. Pflanzenr. 22 (IV-237): 257. 1905; Hand. -Mazz. in Not. Roy. Bot. Gard. Edinb. 16: 81. 1928; Chen et C. M. Hu in Act. Phytotax. Sin. 17: 31. 1979.
性狀
莖直立或匍匐。葉對生，稀互生或輪生。花黃色，極少(僅1種)白色，單出腋生或排成總狀花序或傘形花序;總狀花序常縮短近頭狀;花絲下部合生成寬環或窄筒;花葯中著，縱裂。下級分類
本組劃分為以下10系。疏節系Ser. Deltoideae Hand. -Mazz.
過路黃系Ser. Drymarifoliae Hand. -Mazz.
耳柄系Ser. Elatae Hand. -Mazz.
厚葉系Ser. Fordianae Chen et C. M. Hu
金爪兒系Ser. Grammicae Hand. -Mazz.
淺環系Ser. Hypericoideae (R. Knuth) Chen et C. M. Hu
側枝系Ser. Paracladae Chen et C. M. Hu
傘葉系Ser. Paridiformes Chen et C. M. Hu
葉頭系Ser. Phyllocephalae (Hand. -Mazz.) Chen et C. M. Hu
聚花系Ser. Rubiginosae Hand. -Mazz.
相關的組
假過路黃組Sect. Alternifoliae R. Knuth黃連花組Sect. Lysimachia
短莖組Sect. Rosulatae R. Knuth
