Apocynum androsaemifolium

(Spreading Dogbane)

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Apocynum androsaemifolium, Frisco Peninsula, Summit Co. 4605

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Apocynum androsaemifolium, Lake Dillon, Summit Co. 6868

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Apocynum androsaemifolium, Lake Dillon, Summit Co. 6874

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Apocynum androsaemifolium, Frisco Peninsula, Summit Co. 4611

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Apocynum androsaemifolium, Lake Dillon, Summit Co. 6884

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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
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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

Colorado Status:
Native

© Tom Lebsack 2022

Banner photo: Ten Mile Range and Rhodiola integrifolia (King’s Crown) in Summit County