What does "high mallow" mean?

erect or decumbent Old World perennial with axillary clusters of rosy-purple flowers; introduced in United States

What is a synonym for "high mallow"?

Common synonyms include: cheese, cheeseflower, malva sylvestris, tall mallow.

Rare ·Advanced level

Noun

1
erect or decumbent Old World perennial with axillary clusters of rosy-purple flowers; introduced in United States wordnet