Flowering plant and Seed plant

Flowering plant noun - Plants having seeds in a closed ovary.

Seed plant and flowering plant are semantically related. In some cases you can use "Seed plant" instead a noun phrase "Flowering plant".

Seed plant noun - Plant that reproduces by means of seeds not spores.

Flowering plant and seed plant are semantically related. Sometimes you can replace phrase "Flowering plant" with "Seed plant", this phrases are similar.