First let us know the difference between shrub and herb:
Accordingly, The common sunflower is an annual herb with a rough hairy stem 1-4.5 metres high, broad, coarsely toothed, rough leaves 7.5-30 cm long, and heads of flowers 7.5-15 cm wide in wild specimens and often 30 cm or more in cultivated types.
neither, it;s a type of flower.
Herb
it is neither because it does not eat plants or meat
Lotus is an aquatic herb
It is a herb.
herb shrub
Jute plant is a herb
herb
shrub
Shrub
Delonix regia
Lemon is neither an herb nor a shrub. It is a tree.
herb
a shrub