The national flower of The Bahamas is the Yellow Elder (Tecoma stans)
The flowers have an odd but pleasing fragrance and also provide nectar for bees. The Indians made bows from its wood, and in Mexico a beer was prepared from its roots; it has also been used for a variety of medicines. Also known as: Yellow Bells, Hardy Yellow Trumpet, Trumpet-flower, Yellow Elder.
The national flower of Belize is the Black Orchid (Prosthechea cochleata)
Bolivia gets two of everything, because the east and the west never get along. Bolivian national flowers are cantuta (Catua buxifolia) and patujú (Heliconia rostrata).
Tabebuia alba flower (Tecoma alba)
The national flower and national emblem of Bangladesh is the shapla (Nymphaea nouchali)
Bhutan - Blue poppy (Meconopsis grandis)
Brunei ? Simpor (Dillenia suffruticosa)
Bosnia and Herzegovina
Bosnia and Herzegovina - Lilium bosniacum