Dialypetalum

Dialypetalum is a genus of plants endemic to Madagascar. It differs from other Lobelioideae in having regular (actinomorphic) flowers with virtually free petals, and in being dioecious. It contains the following species, accepted as of July 2014:..

1. Dialypetalum compactum Zahlbr.
2. Dialypetalum floribundum Benth. in G.Bentham & J.D.Hooker
3. Dialypetalum humbertianum E.Wimm. in H.G.A.Engler
4. Dialypetalum × hybridum E.Wimm. in H.G.A.Engler (D. compactum × D. floribundum)
5. Dialypetalum montanum E.Wimm. in H.G.A.Engler
6. Dialypetalum stenopetalum E.Wimm. in H.G.A.Engler