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.
Problems logging in for the first time?
Are you having difficulty logging in for the first time? Yesterday we had a problem when people tried to log […]
Wisley Show thanks from Vanessa
Firstly I just wanted to say a huuuuuuge thank you to all of you for the effort & time you […]
Pots of colour for the Patio
Although Dahlia’s are thought of as border plants, they can fill a patio with late summer colour when grown in […]