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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: PerennialHabit: 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: YellowBloom Time: Jun , Jul , Aug
Distribution
USA: AK , MN , MT , SD , WYCanada: AB , BC , MB , NB , NL , NS , NT , NU , ON , QC , SK , YT
Growing Conditions
Light Requirement: SunSoil 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 PlantsFNA: Find Arnica lonchophylla in the Flora of North America (if available)
Google: Search Google for Arnica lonchophylla
Metadata
Record Modified: 2023-05-31Research By: TWC Staff