Arnica cordifolia
(Heartleaf Arnica)
Arnica cordifolia, Mayflower Gulch, Summit Co. 0470
Arnica cordifolia, Golden Horseshoe, Summit Co. 4823
Arnica cordifolia, Golden Horseshoe, Summit Co. 4840
Arnica cordifolia, Golden Horseshoe, Summit Co. 4827
| Scientific Name | Arnica cordifolia | USDA PLANTS Symbol | ARCO9 |
| Common Name | Heartleaf Arnica | ITIS Taxonomic Serial No. | 36561 |
| Family | Asteraceae (Sunflower) | SEINet Reference |
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| Description |
Life zones and habitat: Foothills to subalpine (6000 to 12000 ft.); moist, shady woodlands and streamsides. Plant: Erect single-stem perennial 3 to 24 inches tall. Leaves: Opposite, petiolate, heart-shaped velvety leaves up to 4 inches long with dentate margins, 2 to 4 pairs per stem. Inflorescence: Large flower heads (2 to 3 inches across), usually 1 to 3 per plant, with 6 to 13 ray flowers, many yellow disk flowers, hairy phyllaries. Bloom Period: June to September. References: "Guide to Colorado Wildflowers" by G.K. Guennel and "Flora of Colorado" by Jennifer Ackerfield. |
BONAP Distribution Map
Map Color Key |
Colorado Status: Native |
© Tom Lebsack 2024
Banner photo: Castilleja rhexifolia and a brewing storm over the San Juan Mountains