Opuntioids with persistent, flat, fleshy leaves. Gas exchange in leaves and green stems reveals broad contributions from daytime photosynthesis, CAM and internal CO₂ recycling. [Nobel and Hartsock 1987][Martin and Wallace 2000][2-WWW]
South American leafy cacti with a shrubby or tree-like habit. Quiabentia pelodaserra, described in 2026, broadened the known floral diversity of the genus with a white, evening-opening type. [Taylor et al. 2026b][2-WWW]
Cumulopuntias form segmented dwarf shrubs and cushions on western Andean slopes, highlands and dry coastal areas. Important identifying characters lie in roots, areoles, fruits and seeds. [Pauca-Tanco and Quipuscoa 2020][Hoxey et al. 2023a][2-WWW]
African-Arabian succulents of Apocynaceae with highly varied flowers. Studies of Orbea variegata and O. lutea show how scent attracts an insect while corona structure directs its contact with pollinia. [Shuttleworth et al. 2017][du Plessis et al. 2018][2-WWW]
A genus of Apocynaceae succulents represented in POWO by Edithcolea grandis. Its large flowers have an elaborate recessed centre and an unusual scent profile. [Meve et al. 2026][2-WWW]
In study descriptions, the current name is accompanied by the name used in the cited publication. Accepted names were checked in POWO on 9 October 2026. [2-WWW]