Slender mountain mint
Also known as: narrowleaf mountain mint, slender-leaved mountain mint
Pycnanthemum tenuifolium Schrad.
Images
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Morphology
- Stem
- Erect, square, glabrous or angles sometimes minutely pubescent; upper portion branched.
- Leaves
- Opposite, sessile, linear or linear-lanceolate, .6 to 1.4 inches long, less than .25 inch wide, glabrous; margins entire, minutely fringed; tips narrowly pointed.
- Inflorescence
- Clusters, small, dense, 1/6 to 1/3 inch wide, solitary, terminal, arranged in compact corymbs.
- Flower
- Sessile, calyces regular, tubular, 5-toothed, 10- to 13-nerved; teeth narrowly triangular, much shorter than tube; corolla whitish or occasionally pale lavender, 1/5 to 1/4 inch long, slightly 2-lipped, whitish-pubescent without, lightly pubescent within, much exceeding calyx; lips nearly equal in length; upper lip erect, entire or notched; lower lip bent downward, 3-lobed, purple spotted, middle lobe longer; stamens 4.
- Fruit
- Nutlets, egg-shaped or oval, 3-sided, dark brown, usually smooth.
Ecology
- Habitat
- Moist open areas of upland prairies, meadows, pastures, open woods, and roadsides; limestone soils.
- Distribution
- East 1/3 of Kansas.
Practical Information
- Uses
- Some species of Pycnanthemum have been used medicinally to treat colds and fevers.
Additional Notes
Comments
Often forms dense colonies.
Quick Facts
- Plant Type
- Wildflower
- Family
- Lamiaceae - Mint Family
- Life Span
- Perennial
- Height
- 16-40 inches
- Last Updated
- 2018-02-22
Color Groups
White, Green & Greenish White Wildflowers
Flowering Period
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Blooms: July, August, September