1、 Stem difference

Bulbous Begonia stems are fleshy, erect or scattered, hairy and often branched. The stem of four seasons Begonia is upright, branched at the base and hairless

2、 Blade difference

The leaves of bulbous Begonia are alternate, inverted heart-shaped, sharp at the apex, with teeth and cilia at the edge. The leaves of Sijia Begonia are ovate or broadly ovate, and the base is slightly skewed

3、 Flowering difference

The total pedicel of bulbous Begonia is axillary. The male flowers are large, with single, double and semi double petals. The female flowers are small, with 5 petals and rich colors. The flowering period is in autumn and summer. The color of four seasons Begonia flowers is light red or white. Flowering is all year round