Begonia basintaliana 
Begonia beryllae 
Begonia boisiana 
Begonia coccinea 
Begonia cooperi 
Begonia formosana 
Begonia holttumii 
Begonia manicata 
Begonia melanosticta 
Begonia mindorensis 
Begonia monadelpha 
Begonia obliqua 
Begonia octopetala 
Begonia postarii 
Begonia semperflorens 
Begonia semperflorens-cultorum 
Begonia silverstonei 
Begonia sinuata 
Begonia truncatifolia 
Bitter Melon 
Bottle gourd 
Bur-Cucumber 
Buttercup squash 
Ceratosanthes hilariana