Apocynum androsaemifolium
(Spreading Dogbane)
Apocynum androsaemifolium, Frisco Peninsula, Summit Co. 4605
Apocynum androsaemifolium, Lake Dillon, Summit Co. 6868
Apocynum androsaemifolium, Lake Dillon, Summit Co. 6874
Apocynum androsaemifolium, Frisco Peninsula, Summit Co. 4611
Apocynum androsaemifolium, Lake Dillon, Summit Co. 6884
Apocynum androsaemifolium, Lake Dillon, Summit Co. 0169
| Scientific Name | Apocynum androsaemifolium | USDA PLANTS Symbol | APAN2 |
| Common Name | Spreading Dogbane | ITIS Taxonomic Serial No. | 30156 |
| Family | Apocynaceae (Dogbane) | SEINet Reference |
Click Here |
| Description |
Life zones and habitat: Foothills to subalpine (5000 to 10000 ft.); open areas along roads, trails, hillsides, and in forest clearings. Plant: Perennial with erect, smooth stems, 6 to 10 inches tall. Leaves: Opposite, drooping, ovate to lanceolate-ovate, shiny and dark green upper surface, 3/4 to 4 inches long and 3/8 to 2-3/8 inches wide. Inflorescence: Small bell-shaped blossoms 3/8-inch across in small clusters; 5 white corolla lobes with pink to red veins, reflexed; 5 short, triangular sepals. Bloom Period: June to August. References: "Flora of Colorado" by Jennifer Ackerfield, "Guide to Colorado Wildflowers" by G.K. Guennel and SEINet. |
BONAP Distribution Map Map Color Key |
Colorado Status: Native |
© Tom Lebsack 2025
Banner photo: Castilleja rhexifolia and a brewing storm over the San Juan Mountains
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