tassel flower vs Amaranthus caudatus

tassel flower and Amaranthus caudatus both are nouns.

Word	Noun	Adjective	Verb	Adverb
tassel flower	Yes	No	No	No
Amaranthus caudatus	Yes	No	No	No

As nouns, tassel flower and Amaranthus caudatus are synonyms defined as:

tassel flower and Amaranthus caudatus: young leaves widely used as leaf vegetables; seeds used as cereal

Other synonyms of tassel flower include love-lies-bleeding, velvet flower.

tassel flower (noun)	Amaranthus caudatus (noun)
young leaves widely used as leaf vegetables; seeds used as cereal	young leaves widely used as leaf vegetables; seeds used as cereal
tropical African annual having scarlet tassel-shaped flower heads; sometimes placed in genus Cacalia
tropical Asiatic annual cultivated for its small tassel-shaped heads of scarlet flowers