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: Frey. 1950 Cathayensis hybrid. This very distinct clone is not named. Very erect habit, with ascending leaf petioles. The entire pattern, best shown in illustration is of dark green and silver, but young leaves have a faint pink overall flush and deep dull-red veins on reverse. Some lobing in leaf margins.
