1. North American Begonia (North American Begonia), can be seen in the list of landscape plants in the United States and Canada have more than crabapple cultivars, from the botanical point of view, much of its original species from Asia, a small amount from the local. Because many of the North American landscape in the name of the breed application by the United States and Canada, the nursery and plant breeding researchers from natural hybrid begonia out in North America and the application of the above has been popular for decades, it was known as North America 2. crabapple tree: small deciduous tree, usually in 5 - 7 meters height, round mound, or the whole plant was hanging branched upright. Branches: changeable, drape and other alternate upright without bending branches.