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Variation of plant and leaf size in Chinese begonias. AB. parvula (one of the smallest species in Begonia); BB. longifolia (above 150 cm tall); CB. fimbristipula (huge variation in leaf size between individuals); DB. edulis (the largest leaf greater than 50 cm in diameter); E, FB. megalophyllaria (leaf blade 45 cm thick, petiole over 120 cm long).
