Dryas hookeriana

(Hooker’s Mountain Avens)

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Dryas hookeriana, Loveland Pass, Clear Creek Co. 0714

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Dryas hookeriana, Loveland Pass, Clear Creek Co. 0732

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Dryas hookeriana, Loveland Pass, Clear Creek Co. 0720

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Dryas octopetala, Hoosier Pass, Summit Co. 5620

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Dryas hookeriana, Hoosier Pass, Summit Co. 5619

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Dryas hookeriana, Loveland Pass, Clear Creek Co. 0718

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Dryas hookeriana, Hoosier Pass, Summit Co. 5621

Scientific Name Dryas hookeriana (Dryas octopetala ssp. hookeriana) USDA PLANTS Symbol DROCH
Common Name Hooker's Mountain Avens ITIS Taxonomic Serial No. 512529
Family Rosaceae (Rose) SEINet
Reference
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Description Life zones and habitat: Subalpine and alpine (10600 to 14000 ft.); tundra, rocky slopes, scree.
Plant: Mat-forming perennial sub-shrub with tangled, prostrate naked stems (scapes).
Leaves: Dense rosettes of lanceolate to oblong leaves, 0.4 to 1.6 inches long and less than 0.4-inch wide; margins have rounded teeth with sinuses between teeth 5–25% to midvein; leathery hairless upper surface; lower surface with dense, woolly hairs.
Inflorescence: Single flowers about 1-inch across atop leafless stems 1/2 to almost 5 inches long; eight or more spreading white or cream petals, many yellow stamens surrounding greenish pistils in center.
Bloom Period: June to August.
References: "Flora of Colorado" by Jennifer Ackerfield, Flora of North America and Montana Field Guide.
BONAP Distribution Map
N/A
Colorado Status:
Native

© Tom Lebsack 2026

Banner photo: Castilleja rhexifolia and a brewing storm over the San Juan Mountains

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