Delonix regia is a species of flowering plant from the Fabaceae family, Caesalpinioideae subfamilia, noted for its fern-like leaves and flamboyant display of flowers. In many tropical parts of countries around the world it is grown as an ornamental tree and in English it is given the name Royal Poinciana or Flamboyant. It is also one of several trees known as Flame tree.
In India it is known as Gulmohar. . It is also known there as Krishnachura (Bengali: 'crown of the Lord Krishna).
The tree's vivid red/vermilion/orange/yellow flowers and bright green foliage make it an exceptionally striking sight.
The flowers are large, with four spreading scarlet or orange-red petals up to 8 cm long, and a fifth upright petal called the standard, which is slightly larger and spotted with yellow and white. The naturally occurring variety flavida has yellow flowers.-Seed pods are dark brown and can be up to 60 cm long and 5 cm wide; the individual seeds, however, are small, weighing around 0.4 g on average. The compound leaves have a feathery appearance and are a characteristic light, bright green. They are doubly pinnate: Each leaf is 30-50 cm long and has 20 to 40 pairs of primary leaflets or pinnae on it, and each of these is further divided into 10-20 pairs of secondary leaflets or pinnules.