$Rafflesia$ $arnoldii$ is .........

Identify the type of aestivation shown in the given figures $P, Q, R,$ and $S$ and select the correct sequence of plants in which they are found.

In many cultivated ornamental flowers,the number of petal whorls is higher than that in the wild type. These extra petals are generally modified:

Differentiate between apocarpous and syncarpous ovary.

Which of the following is correct regarding the position of floral parts on the thalamus?

The beauty of the $Bougainvillea$ flower is due to