The Genus Dahlia was split into 4 sections by Paul Sorensen in 1969 and we use this below to separate the species dahlias as it is and easy system to use however Dayle Saar’s recent work has shown that section Pseudodendron and section Dahlia are genetically a section and are only divided at clade level. while section Epiphytum is not valid and belongs with Pseudodendron and some members of the Dahlia section in the variable root clade.
The American Dahlia Society
You can become an overseas supporter of the American Dahlia Society and receive 4 e-bulletins per year from them + […]
Virtual Show Number 2
Entries are open from 16th September to 25th September for our second virtual show. We have included a few more […]
THIS VIRTUAL SHOW IS NOW FINISHED AND THE ENTRIES AND RESULTS CAN BE SEEN UNDER `VIRTUAL SHOW` BUT WE […]