Botanical name:Cassia x nealiaeFamily:Caesalpiniaceae (Gulmohar family) Synonyms: Cassia javanica x fistula
Rainbow Shower Tree is a hybrid between Amaltas (Cassia fistula) and
Java cassia (Cassia javanica). It is a gorgeous tree having clusters
of flowers with various colors. There are several different varieties of the
rainbow shower tree, each having different colors of flowers, often maturing
from one color to another. While there is more colorful variety having
clusters of yellow and pink flowers, there is also a variety with nearly white
flowers, with a tinge of yellow. It is a medium to large size tree, to 40 ft.
Seen in well maintained parks and streets in India. The tree is very drought
tolerant and grows best in full sun, hot, and dry conditions.
The rainbow shower tree is a sterile hybrid. Propagation is by hybridization,
grafting. One advantage of this fact is that there is no seed-pod, and the
tree is tidier as compared to other Cassias.