Malva sylvestris vs high mallow

Malva sylvestris and high mallow both are nouns.

Word	Noun	Adjective	Verb	Adverb
Malva sylvestris	Yes	No	No	No
high mallow	Yes	No	No	No

As nouns, Malva sylvestris and high mallow are synonyms defined as:

Malva sylvestris and high mallow: erect or decumbent Old World perennial with axillary clusters of rosy-purple flowers; introduced in United States

Other synonyms of Malva sylvestris include cheese, cheeseflower, tall mallow.

Malva sylvestris (noun)	high mallow (noun)
erect or decumbent Old World perennial with axillary clusters of rosy-purple flowers; introduced in United States	erect or decumbent Old World perennial with axillary clusters of rosy-purple flowers; introduced in United States