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  1. The standard petal of a papilionaceous corolla is also called
    1. Carina
    2. Pappus
    3. Vexillum
    4. Corona
Correct Option: C

Papilionaceous flowers are flowers with the characteristic irregular and butterfly-like corolla. A single, large upper petal is known as the banner or vexillum and the name has been derived from an ancient military standard.



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