tall mallow vs high mallow

tall mallow and high mallow both are nouns.

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

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

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

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

tall mallow (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