| 组 | 种 |
|---|---|
| 全髯组Sect. Holopogon Benth. | 短柄半边莲Lobelia alsinoides Lam. 假半边莲Lobelia hancei H. Hara 顶花半边莲Lobelia terminalis C. B. Clarke 卵叶半边莲Lobelia zeylanica L. 大花卵叶半边莲(变种)Lobelia zeylanica L. var. lobbiana (Hook.f. & Thomson) Y. S. Lian 卵叶半边莲(原变种)Lobelia zeylanica L. var. zeylanica |
| 下髯组Sect. Lobelia | 海南半边莲Lobelia hainanensis E. Wimm. 翅茎半边莲Lobelia heyneana Schult. |
