No se puede entender a las suculentas sin su clasificación botánica.
Foto:Jleon 2007-05-01
Foto:Jleon 2007-11-10 Stem with the apex strongly suberized; this does not imply a risk to the plant's health.
Foto:Jleon 2007-11-10 Stem heavily suberized from which two new shoots emerge. Over time, the spines will turn brown.