Plants growing in saline and marshy conditions are called

The common name of pea is simpler than its botanical (scientific) name $Pisum$ $sativum$. Why then is the simpler common name not used instead of the complex scientific/botanical name in biology?

Charles Plumier named the genus $Rauvolfia$ in honor of which of the following?

Carolus Linnaeus $(Carl\, Linne)$ was from:

Who is known as the father of botany?

The scientific name of maize is .........