Publication: Cact. Succ. J. Gr. Brit. xix. 66 (1957).
Description
Chromosome number: 2n = 22
Bibliography
Major references and further lectures
Juliana P. Castro, Luiz G.R. Souza, Lânia F. Alves, Ana E.B. Silva, Marcelo Guerra & Leonardo P. Felix. 1073 Marhold (ed.) “IAPT/IOPB chromosome data 15” TAXON 62 (5) • October 2013: 1073–1083