Opuntia monacantha (Willdenow) Haworth. Common Prickly-pear. Hab: Disturbed areas, sometimes persistent or escaping from horticultural use. Dist: Native of South America (Argentina, Brazil, Paraguay). Although O. monacantha can form trees to several meters high, those found in FL typically are smaller, erect shrubs – maybe a result of environmental conditions.
Origin/Endemic status: Neotropics
Syn: = FNA4, K1, K2, K4; = Opuntia monacanthos – WH3; >< Opuntia vulgaris – RAB, Benson (1982), Ward (2009e)