Bauhinia is a genus of more than 200 species of flowering plants in the subfamily Caesalpinioideae of the large flowering plant family Fabaceae, with a pantropical distribution. The genus was named after the Bauhin brothers, Swiss-French botanists.
Many species are widely planted in the tropics as "orchid trees", particularly in northern India, Vietnam and southeastern China. In the United States of America, the tree grows in Hawaii, coastal California, Texas, Louisiana, and Florida. Bauhinia blakeana is the floral emblem of Hong Kong, and a stylized orchid tree flower appears on the Hong Kong flag.
The five-petaled flowers are 7.5-12.5 cm diameter, generally in shades of red, pink, purple, orange, or yellow, and are often fragrant. The tree begins flowering in late winter and often continues to flower into early summer.Selected species: