Hello,
I have what i was told angel wing begonia dont know about maculate' Mine has tapered leaves with small whitish spots on the leafs. Blooms fushia color too light pink. If this is what you are looking for maybe we can make a trade.
lilliumgrma

Hi-I also have angelwing begonias--houseplant-inside has green leaves-pink underneath silver spots-pink flowers- approx 3 ft tall--outside in the summer--the leave are dark forrest green-silver spots with burgandy underneath--and dark scarlet to coral flowers--grow like crazy-I keep them trimmed at 4 ft--If this is what you are looking for let me know--I have several large rooted cuttings to trade
Jeanette