page_title: Opuntioideae
section_title: Tribes and genera
hierarchical_section_title: Opuntioideae / Tribes and genera
caption_attribution_description: English: Cylindropuntia bigelovii — Teddy-bear cholla. Blooming cholla cactus with bird nest — in Anza Borrego Desert State Park, California.
context_page_description: Opuntioideae is a subfamily of the cactus family, Cactaceae. It contains 15 genera divided into five tribes. The subfamily encompasses roughly 220-250 species, and is geographically distributed throughout the New World from Canada, to Argentina. Members of this subfamily have diverse habits, including small geophytes, hemispherical cushions, shrubs, trees, and columnar cacti consisting of indeterminate branches or determinate terete or spherical segments.
context_section_description: Tribes and genera of the subfamily Opuntioideae include:
  Austrocylindropuntieae
  Austrocylindropuntia Backeb.
  Cumulopuntia F.Ritter
  Cylindropuntieae – round stems
  Cylindropuntia (Engelm.) F.M.Knuth
  Grusonia Rchb.f. ex Britton & Rose
  Pereskiopsis Britton & Rose
  Quiabentia Britton & Rose
  Opuntieae – flattened stems
  Brasiliopuntia (K. Schum.) A. Berger
  Consolea Lem.
  Miqueliopuntia Fric ex F. Ritter
  Opuntia Mill.
  Tacinga Britton & Rose
  Tunilla D. R. Hunt & Iliff
  Pterocacteae
  Pterocactus K.Schum.
  Tephrocacteae – round stems
  Maihueniopsis Speg.
  Tephrocactus Lem.
caption: Cylindropuntia bigelovii
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