The presence or absence of organs.
The presence or absence of separate conducting tissues for conduction of water and food Do the plants bear seeds?
If they do then, whether the seeds are enclosed in a fruit or not
Plants are grouped depending upon the number of cotyledons in the seeds.
Depending upon the absence or presence of flowers, fruits and seeds, plants are classified as cryptogams or phanerogams.
Depending upon whether seeds are enclosed within a fruit or not, phanerogams are classified as gymnosperms and angiosperms.
Angiosperms are further classified as monocots or dicots depending upon the number of cotyledons in seeds.
