maple-leaf begonia map·le·leaf·begonia uncommon noun 1. tuberous or semi-tuberous South African begonia having shallowly lobed ovate leaves and small white flowers Synonymsgrape-leaf begoniamaple-leaf begoniaBegonia dregei Related words Broader terms begonia WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
