Botany - Morphology of Flowering Plants Question with Solution | TestHub

Phyllotaxy means the arrangement of leaves on both stem and branches. Mainly the leaves are arranged in three ways:

Alternate: In this, each node gives rise to signal leaf and these are arranged alternately giving a spiral form (e.g., mango, china rose etc).

Opposite: In this, each node gives rise to two leaves arranged opposite to each other.
It can be opposite superposed (e.g., lxora) or opposite decussate (e.g., Ocimum, Calotropis prosera)