high mallow vs tall mallow

high mallow and tall mallow both are nouns.

Word	Noun	Adjective	Verb	Adverb
high mallow	Yes	No	No	No
tall mallow	Yes	No	No	No

As nouns, high mallow and tall mallow are synonyms defined as:

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

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

high mallow (noun)	tall 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