Scientific Family
Lamiaceae
Synonyms
Mentha canadensis, Mentha gentilis, Mentha glabrior, Mentha penardii
Other common names
corn mint
wild pennyroyal
Plant type
Forbs and Subshrubs
Origin
Native
Lifecycle
Perennial
Similar species
Mentha spicata
Height
2 feet
Riparian
Yes
Has erect stems. A strongly aromatic perennial with runners to 2 feet long.
Mentha arvensis has flowers in axillary clusters while Mentha spicata has flowers in terminal clusters.
Habitat
Moist woods and streambanks.
Plant Community
Riparian
Low elevation
5000
High elevation
9500
Flower Characteristics
2-lipped with lips generally equal. Upper lip is notched while lower lip is 3-lobed. Flowers are clustered in the axils of the leaves at
intervals along the stem.
Flower color
Pale pink to pale bluish-purple
Flower shape
Bell-shaped
Tubular
Yes
First bloom month
July
Last bloom month
October
Flower clusters
Rounded
Leaf and Stem Characteristics
Leaves can be ovate to lanceolate with tapered ends to 3 inches long.
Leaf type
Simple
Leaf color
Dark green
Leaf shape
Narrow
Leaf margin
Toothed
Leaves clasp
No
Leaf hairs
Leaves & stems
Spines
No
Fruit and Seed Characteristics
Fruits are smooth nutlets, generally ovoid to oblong.
Fruit type
Nutlet