Begonia 'Josma' No. 900-Begonia 'Sir Percy' x unknown 'Josma' Rhizomatous with silver-spotted reddish green leaves. The leaf blades are 4 1/2" x 3 1/2" and almost round with pointed tips, entire margins, and crisp texture, and are borne on long petioles. The originator reports that the seed parent was insect pollinated. Originated in 1979 by Mickey Meyer (address above); no bloom reported; no distribution reported. Registered May 9, 1986.