No se puede entender a las suculentas sin su clasificación botánica.
Foto:Jleon 2006-09-28
Foto:Jleon 2007-11-07 Relatively smaller than those typical of this genus, they are extremely sharp.
Foto:Jleon 2007-05-01 Old specimens gradually become columnar over time.
Foto:Jleon 2007-05-02
Foto:Jleon 2008-08-01 These seeds measure approximately 1.8 mm in length.