This type has the most spectacular flower show, and also the maximum number of colors. This variety of begonia can have very large leaves, up to 14 inches in length. The flowers are borne in large clusters, and do quite well as both indoor and outdoor plants.
The begonias in this type bear large flowers in small clusters. Their roots tend to hold on to trees, rocks, or walls for support as they climb or trail.
Not very popular among the begonia genus, these thick stemmed varieties do not branch much, but shoot up new growth from the base. The leaves tend to shed, making this an unusual plant to have at home or in gardens. New hybrids of this variety have stems that range in color from green and brown, to even cream.
Rex begonia are grown more for their foliage that comes in different shapes, sizes, patterns, and vivid colors. It does bear flowers, but they are quite inconsequential. The foliage needs a lot of care, as temperature and other environmental conditions can dampen it.