Acalypha wilkesiana 
Alaskan violet 
American field pansy 
Arrowleaf violet 
Asian flax 
Birdsfoot violet 
Black Willow 
Blue Passion Flower 
Booth's willow 
Canadian white violet 
Canary violet 
Candelabra Tree 
Cassava 
Castorbean 
Ceylon ironwood 
Chenille Plant 
Coca 
Codiaeum variegatum 
Common Blue Violet 
Common dog-violet 
Coralbush 
Cow's Horn 
Creeping St. John's-wort 
Crimson passion flower