Palan or Scarlet wrightia (wrightia coccinea, family: Apocynaceae) is a small deciduous tree with branches, attaining a height of 8-10 m. The original home of the lovely small tree is Southeast Asia. 'Palam' is the another Bangla name of the plant.
The tree is very beautiful and for that it can be planted as an ornamental plant beside roads and in parks and gardens. In Bangladesh, it is found in hilly areas of greater Sylhet.
At the end of the spring flowers bloom with new leaves. Flower is very attractive, scentless, 3-4 cm wide, scarlet in color, showy. Sepals 5, petals 5. Terminal inflorescence bears 2-3 flowers.
Flowers bloom in March-May. Petals are leathery. For this reason, may be, the flowers have been seen dry in the tree for a long time.
Fruit is pod, 15-30 cm long, in pair, blackish with white dots. Seeds are linear, cottonful.
Propagation of the plant is caused by seeds. Its wood is used for fire. The species name 'coccinea' derives from its scarlet flowers.