$A$ : In head inflorescence florets are arranged centrifugally.
$R$ : There always occurs two types of florets in a head.
Placentation is basal in
$\oint$ stands for $\ldots A \ldots$ $\oplus$ stands for ...$B$... $\%$ stands for ...$C$...
Here, $A$ to $C$ refers to
Which one of the following plants shows vexillary aestivation and diadelphous stamens ?
Identify $X, Y, Z$ from the figure.
$X - Y - Z$