What are the different branches of botany that deal with morphology of plants? Give their salient features.

Morphology deals with the study and description of different organs of a plant. It is a fundamental requisite for classification of plants.
It can be divided into two parts.
a) External Morphology is the study and description of external characters of plant organs like root, stem, leaf, flower, fruit and seed etc.
b) Internal morphology is the study of internal structure of different plant organs. It has two branches.
i) Histology is the study of different tissues present in the plant body.
ii) Anatomy deals with the study of gross internal details of plant organs like root, stem leaf, flower etc.