The larger, showier flowers are usually from varieties of Camellia japonica, while selections of C. sasanqua tend to have smaller flowers and leaves. Most sasanquas bloom earlier in the flowering ...
There are three main types: Camellia sasanqua, Camellia japonica and Camellia × williamsii. ‘Camellias are known for their elegant flowers, and their blooming times depend on the variety.