Pfeiffera monacantha (syn.

Rhipsalis monacantha), the one‑spined wickerware cactus, is a species of epiphytic cactus, native to Bolivia and northwest Argentina.

[2] As its synonym Rhipsalis monacantha it has gained the Royal Horticultural Society's Award of Garden Merit.

[3] The following subspecies are accepted:[2]

This Cactaceae article is a stub.