Queen's crepe-myrtle or Giant crepe-myrtle, banabá plant, or pride of India is a species of Lagerstroemia native to tropical southern Asia. Pride of India is a fast-growing, medium-sized, deciduous, sub-canopy tree with an upright, round crown. The tree, which produces suckers, usually grows 15 metres tall or more, with some specimens up to 26 metres. The bole is around 60cm in diameter.
This tropical flowering tree is one of the most outstanding summer bloomers. Lagerstroemia speciosa is a larger form of the more commonly grown L. indica (Crape myrtle.) It is called Queen Crape Myrtle because it's the Queen of the Crape Myrtles, dominating with grand size and larger, crinkled flowers. The name Crape myrtle is given to these tree/shrubs because of the flowers which look as if made from delicate crape paper. Lagerstroemia speciosa is a large tree growing up to 50' but it can be kept smaller by trimming. It stands on an attractive, spotted bark that often peels. This bark is commercially used and is a valuable timber. The large leaves are also appealing as they turn red right before they drop in the winter. A postal stamp was issued by the Indian Postal Department to commemorate this flower.
Leaves are used in the Philippines as a folk medicine for the treatment of diabetes and kidney diseases. The fruit are used India to cure mouth ulcers. The roots are also considered astringent and the seeds narcotic. The seeds are narcotic. The leaves are purgative. A preparation from dried leaves, known as banaba, is widely used in the Philippines to treat diabetes and urinary problem. A leaf poultice is used to relief malarial fever and is also applied on cracked feet.