Question

The perianth is the term used when

• A. androecium and gynoecium are not distinguishable
• B. androecium and calyx are not distinguishable
• C. corolla and gynoecium are not distinguishable
• D. calyx and corolla are not distinguishable

Answer 1

The correct option is D calyx and corolla are not distinguishable

If there is no distinction between calyx and corolla then it is called perianth. Perianth is the collective name of the non-essential floral organ called tepal. Example: Lilium, tulip.

Tulip flower with perianth