Step 1: Concept
Taxonomic classification organizes medicinal plants into specific botanical families.
Step 2: Meaning
The family Sterculiaceae includes several economically important plants used in pharmacy and the food industry.
Step 3: Analysis
Coffea Arabica belongs to Rubiaceae, Thea sinensis (Tea) belongs to Theaceae, and Glycerrhiza (Liquorice) belongs to Leguminosae. Theobroma cocoa, the source of chocolate and cocoa butter, is a member of the Sterculiaceae family.
Step 4: Conclusion
Therefore, Theobroma cocoa is the correct plant for the family Sterculiaceae.
Final Answer: (A)