You an find various herb plants at your local plant nursery.
It is a fungus.
Mangrove is not an herb, it is a tree.
Lemon is neither an herb nor a shrub. It is a tree.
tree
Tree
when a banana is on a tree it is a herb but when it is fully grown it is a fruit
A tree with medicine
Delonix regia
shrub
banana is a herb not a tree.
shurb
shrub