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Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

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Arnica lonchophylla

Arnica lonchophylla Greene

Longleaf Arnica

Asteraceae (Aster Family)

Synonym(s):

USDA Symbol: ARLO5

USDA Native Status: L48 (N), AK (N), CAN (N)

 

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Plant Characteristics

Duration: Perennial
Habit: Herb
Leaf Arrangement: Opposite
Leaf Complexity: Simple
Leaf Shape: Lanceolate , Ovate
Leaf Margin: Dentate , Denticulate
Leaf Apex: Acute
Size Notes: Up to about 20 inches tall.
Fruit: Fruit is a cypsela (pl. cypselae). Though technically incorrect, the fruit is often referred to as an achene.

Bloom Information

Bloom Color: Yellow
Bloom Time: Jun , Jul , Aug

Distribution

USA: AK , MN , MT , SD , WY
Canada: AB , BC , MB , NB , NL , NS , NT , NU , ON , QC , SK , YT

Growing Conditions

Light Requirement: Sun
Soil Moisture: Moist
Soil pH: Alkaline (pH>7.2)
CaCO3 Tolerance: High

Web Reference

Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 26 - Minnesota Wildflowers: a field guide to the flora of Minnesota (2009)
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

USDA: Find Arnica lonchophylla in USDA Plants
FNA: Find Arnica lonchophylla in the Flora of North America (if available)
Google: Search Google for Arnica lonchophylla

Metadata

Record Modified: 2023-05-31
Research By: TWC Staff

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