American Horticultural Society, October 1952, pg. 237-259; Concerning Rex Begonia, by B. Y. Morrison The following descriptions are recorded from observation notes made of the living collection during 1951-1952: Robin. Erect stems to almost 10 inches, warm red-brown like the new leaves, leaves medium to small. Most become a nice sage-green color covered with fine dots of pale pink. Thickly along veins, less in open areas. Flowers showy pink This charming begonia is not a "Rex" in the narrow sense of the word.