piggyback plant vs Tolmiea menziesii

piggyback plant and Tolmiea menziesii both are nouns.

Word	Noun	Adjective	Verb	Adverb
piggyback plant	Yes	No	No	No
Tolmiea menziesii	Yes	No	No	No

As nouns, piggyback plant and Tolmiea menziesii are synonyms defined as:

piggyback plant and Tolmiea menziesii: vigorous perennial herb with flowers in erect racemes and having young plants develop at the junction of a leaf blade and the leafstalk

Other synonyms of piggyback plant include pickaback plant, youth-on-age.

piggyback plant (noun)	Tolmiea menziesii (noun)
vigorous perennial herb with flowers in erect racemes and having young plants develop at the junction of a leaf blade and the leafstalk	vigorous perennial herb with flowers in erect racemes and having young plants develop at the junction of a leaf blade and the leafstalk