What is the floral formula for hibiscus?

Charan has given the correct answer. 

Hibiscus rosa-sinensis – floral formula - Br. Brl. Φ K(5) C5 A(_∞) G(5)

• Bracteate flowers, represented as Br.
• Epicalyx is present below calyx, indicated as Brl.
• Actinomorphic symmetry is represented as Φ
• Flowers are basically bisexual represented as 
• 5 sepals which are fused, represented as K(5)
• 5 petals which are free, represented as C5
•  Stamens are numerous and filaments of stamens are fused, represented as A(∞)
• 5 Carpels, fused and ovary is superior, represented as G(5)

@ Charan: Good answer! Keep Posting!!