Opuntia phaecantha
![Image](http://www.cactiguide.com/forum/userpix/1332_Opuntia_phaecantha_1.jpg)
Opuntia microdasys var. rufida
![Image](http://www.cactiguide.com/forum/userpix/1332_Opuntia_microdasys_var_rufida_1.jpg)
Opuntia macrocentra
![Image](http://www.cactiguide.com/forum/userpix/1332_Opuntia_marcocentra_3.jpg)
Opuntia macrocentra (one-month-old cuttings)
![Image](http://www.cactiguide.com/forum/userpix/1332_Opuntia_macrocentra_cuttings_1.jpg)
Opuntia compressa
![Image](http://www.cactiguide.com/forum/userpix/1332_Opuntia_compressa_3.jpg)
Opuntia compressa with a volunteer Opuntia seedling
![Image](http://www.cactiguide.com/forum/userpix/1332_Opuntia_compressa_with_a_volunteer_seedling_1.jpg)
Opuntia violacea with only one flower bud
![Image](http://www.cactiguide.com/forum/userpix/1332_Opuntia_violacea_2.jpg)
Opuntia engelmannii (red flower)
![Image](http://www.cactiguide.com/forum/userpix/1332_Opuntia_engelmannii_10.jpg)
![Image](http://www.cactiguide.com/forum/userpix/1332_Opuntia_engelmannii_red_flower_1.jpg)
![Image](http://www.cactiguide.com/forum/userpix/1332_Opuntia_engelmannii_11.jpg)