Which of the following floral formula is the correct floral formula of Solanaceae family ?
- ⚥ K(5) C(5) A5 G(2)
- ⚥ K5 C5 A5 G(2)
- ⚥ K(5) C(5) A5 G(2)
- ⚥ K5 C(5) A5 G(2)
Answer
(3) ⚥ K(5) C(5) A5 G(2)
Solution
Solanaceae flower (as per NCERT):
Actinomorphic ( ) and bisexual (⚥)
Calyx ⇒ 5 sepals, united ⇒ K(5)
Corolla ⇒ 5 petals, united ⇒ C(5)
Androecium ⇒ 5 stamens, epipetalous ⇒ A5 joined to C(5) by an arc
Gynoecium ⇒ bicarpellary, syncarpous, superior ovary ⇒ G(2)
∴ Floral formula: ⚥ K(5) C(5) A5 G(2)
Answer: (3)