Question

what is phanerogams
and general characteristic of this

Answer 1

The spermatophytes, also known as phanerogams or phenogamae, comprise those plants that produce seeds, hence the alternative name seed plants. They are a subset of the embryophytes or land plants. 

Scientific name: Spermatophyta

Higher classification: Embryophyte

Following are the characteristic features of phanerogams: They have well-differentiated plants i.e. the plant bodyis divided into distinct root, shoot, andleaves. These are multicellular,eukaryotic and chlorophyll containingplants.