cleistocactuscleistocactus
genusgenusThis group of cacti typically grows in upright, sometimes branching, columnar forms, often densely covered in spines. They are most recognized for producing numerous tubular flowers that emerge from the stems.
Etymology
The name comes from the Greek word 'kleistos', meaning 'closed' or 'shut', which refers to the characteristic shape of their tubular flowers.
Interesting fact!
Many plants in this genus have unique flowers that often remain partially closed, hinting at the meaning of their name.