Catkin inflorescence is characteristic of
Morus
Triticum
Ficus
All of these
A.
Morus
Catkin is a modified spike with a long and drooping axis bearing unisexual flowers. It is a characteritic of amentiferous families. For eg, Mulberry (Mora alba), birch (Betula spp.) etc.
Wilting of leaves at noon and their recovery toward evening is known as
incipient wilting
temporary wilting
midday desiccation
permanent wilting