Opuntia dillenii explained

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 arose (usually more than 3).^[2] ^[3]

Notes and References

Web site: Opuntia dillenii (Ker Gawl.) Haw.. 2021-03-11. Plants of the World Online. Kew Science.
Web site: 缩刺仙人掌 Opuntia stricta（中国植物志）. 2021-03-11. iPlant 植物智——植物物种信息系统. 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. zh.
Pardo. Francisco María Vázquez. Alonso. David García. 2017. Aproximación al conocimiento del grupo Opuntia Mill. (s.l.) (CACTACEAE) en Extremadura (España). Folia Botanica Extremadurensis. es. 11. 51–75. 1887-6587.