**Definition:
:::::::::::::::::::::: A tree (🌲) or shrub of warm climates that bears spikes or clusters of yellow or white flowers and is frequently.                                  thorny. 


East Indian spiny tree having twice-pinnate leaves and yellow flowers followed by flat pods, source of black catechu. 

** Tree: 
::::::::::::::
A woody perennial plant, typically having a single stem or trunk growing to a considerable height and bearing lateral branches at some distance from the ground.