Opuntia dillenii is a species of prickly pear native to the tropical and subtropical Americas. It is naturalized in many other parts of the world.[1] It differs from O. stricta by having more spines per areole (usually more than 3).[2][3]

References

  1. ^ a b "Opuntia dillenii (Ker Gawl.) Haw". Plants of the World Online. Kew Science. Retrieved 2021-03-11.
  2. ^ "缩刺仙人掌 Opuntia stricta（中国植物志）". iPlant 植物智——植物物种信息系统 (in Chinese). 中国科学院植物研究所系统与进化植物学国家重点实验室. Retrieved 2021-03-11.
  3. ^ Pardo, Francisco María Vázquez; Alonso, David García (2017). "Aproximación al conocimiento del grupo Opuntia Mill. (s.l.) (CACTACEAE) en Extremadura (España)". Folia Botanica Extremadurensis (in Spanish). 11: 51–75. ISSN 1887-6587.