Marsh Valerian

Valeriana uliginosa

The roots of the Marsh Valerian contain valeric acid, which produces a scent famously described as smelling like dirty socks or wet dogs.

Scientific name
Valeriana uliginosa
Taxonomy
Plantae › Tracheophyta › Magnoliopsida › Dipsacales › Caprifoliaceae › Valeriana
IUCN Red List status
Vulnerable
Population trend
decreasing
Biome
wetland
Habitat
Calcareous fens, alkaline wet meadows, and northern cedar swamps.
Diet
Photosynthetic (sunlight, carbon dioxide, and mineral-rich groundwater).
Range
Michigan, New York, Vermont, Ontario, Quebec
Size
30 to 100 cm in height
Lifespan
Perennial (5-10+ years)
Active
diurnal
Threats
Habitat loss due to wetland drainage, changes in groundwater chemistry, and competition from invasive species like glossy buckthorn.
Safe to approach?
Harmless. Observe from a distance to avoid trampling the sensitive wetland soil. Do not pick the flowers, as this species is rare and protected in many regions. Safe to touch, but avoid disturbing the roots.

Photo: no rights reserved, CC0, via iNaturalist

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