Allamanda angustifolia 
Antelope horns 
Be-still Tree 
Blue periwinkle 
Butterfly Weed 
Calotrope 
Caralluma sinaica 
Caralluma tuberculata 
Carissa carandas 
Catharanthus longifolius 
Catharanthus ovalis 
Cionura 
Clasping Milkweed 
Climbing dogbane 
Common frangipani 
Common Milkweed 
Crown Flower 
Cuayote 
Desert rose 
Eastern Bluestar 
Elephant's Foot Plant 
European Caralluma 
Fewflower milkweed 
Fourleaf milkweed