The leaves of Rieger's Begonia are single leaves, alternate, skew at the base, showing a heart-shaped shape. The edge of the leaves is heavily serrated or notched. The leaves have palmlike veins, the surface of the leaves is very smooth, and they are waxy, and the color of the leaves is mostly dark green.
The leaves of Begonia are ovate or wide ovate, growing about 5 to 8 cm, the base of the leaves is slightly slanted, the edge of the leaves has serrations and fine villi, both sides of the leaves are bright and green.
The flower of Rieger's Begonia is double petaled. The color of the flower is red, white, yellow and orange. Its flowering period is in winter.
The flowers of Begonia in four seasons are top born or axillary. The colors of the flowers are peach red, pink, orange red and white. They can bloom almost all year round.