| Author | (Buchanan-Hamilton ex Roxburgh) Maximowicz | |
| Distribution | Rapidly increasing/spreading in the western part of the state. There is a specimen from Cherokee County, Forest Service road 5 miles WNW of Murphy, 4 October 2011, Ed Schwartzman s.n. (NCU, WCUH). There are now recent -- 2020 and later -- photo records on iNaturalist from Transylvania, McDowell, Anson, and Wake counties; plus a photo record for Avery County in 2022. A sight report was made in Buncombe County in 2024.
Native to Eastern Asia; in N.A. IN, KY, TN, AL, GA, NC. | |
| Abundance | Apparently rare, but Weakley (2018) states that it is becoming a noxious weed in KY, TN, and western NC. | |
| Habitat | Margin of US Forest Service road, other disturbed ground. | |
| Phenology | Flowering and fruiting August-September. | |
| Identification | This mint is about 1-3 feet tall, with well-spaced, lance-shaped to ovate paired leaves. The inflorescences arise terminally and from upper leaf axils; they are slender and hold many flowers. The upper calyx lobes are curved a bit upwards; the lower ones are straight. The corollas are small, tubular and with the lower lip rather downcurved, pale pink in color. | |
| Taxonomic Comments | | |
| Other Common Name(s) | | |
| State Rank | SE * | |
| Global Rank | GNR | |
| State Status | | |
| US Status | | |
| USACE-agcp | FACU link |
| USACE-emp | FACU link |
