Step 1: Identifying the Golden Shower Tree.
The scientific name of the Golden Shower Tree, commonly known as Amaltas, is Cassia fistula. It is a flowering plant in the family Fabaceae, widely known for its beautiful yellow flowers.
Step 2: Analyzing the options.
(A) Bombax malabaricum: This is the scientific name for the Malabar cotton tree, not the Golden Shower Tree.
(B) Cassia fistula: Correct — This is the scientific name of the Golden Shower Tree (Amaltas).
(C) Butea monosperma: This is the scientific name of the flame of the forest, not the Golden Shower Tree.
(D) Delonix regia: This is the scientific name of the Royal Poinciana, not the Golden Shower Tree.
Step 3: Conclusion.
The correct answer is (B) Cassia fistula, as it is the scientific name of the Golden Shower Tree (Amaltas).