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Alpine Sweet-vetch Hedysarum alpinum

 

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Alpine Sweet-vetch
© Lady Bird Johnson Wildflower Center

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Alternate name: Alpine Sweet Broom, Licorice Root

Family: Fabaceae, Pea view all from this family



Description Several erect, branching stems rise 1 1/2-3 ft. from a woody crown. From the axils of pinnately compound leaves rise long, straight, dense clusters of pinkish-lavender, pea-like flowers.


Flower June - July.


Flower June - July


Habitat Moist, mountain woods; limey river banks; gravelly slopes.


Range Circumpolar; south in North America to n. New England (rarely), Michigan, the Black Hills, Wyoming, and British Columbia.


Discussion Like other members of the pea family, this plant needs the presence of microorganisms that inhabit nodules on the plant's root system and produce nitrogen compounds necessary for the plant's survival.


Comments Like other members of the pea family, this plant needs the presense of microorganisms which inhabit nodules on the plant's root system and produce nitrogen compounds necessary for the plant's survival. Soil/seed inoculum is available at most native plant nurseries.


Exposure Preference Partial shade.


Native Distribution Circumpolar, s. in North America to n. New England (rarely), the Black Hills, n.c. Montana & British Columbia


Site Preference Moist, mt. woods; limy river banks; gravelly slopes


Soil Preference Calcareous sands, gravels & rocky soils.


 

 

 

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