Cleistocactus


Cleistocactus is a genus of flowering plants in the cactus family Cactaceae, native to mountainous areas - to - of South America. The name comes from the Greek kleistos meaning closed because the flowers hardly open.
The stems of these cacti are tall, mostly slender and often many-branched with numerous ribs with closely set areoles and spines. The flowers are tubular and the tips hardly open with only the style and stamens usually protruding.

Species and subspecies

eine natürliche Hybride von Cleistocactus icosagonus und Cleistocactus serpens.
The following genera have been brought into synonymy with this genus: