Hymenoxys hoopesii

(Orange Sneezeweed)

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Hymenoxys hoopesii, Lower Flume Trail, Breckenridge, Summit Co. 7714

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Hymenoxys grandiflora, Shrine Ridge, Eagle Co. 7013

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Hymenoxys hoopesii, Gore Pass, Grand Co. 2078

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Hymenoxys hoopesii, FR 503, Uncompahgre Plateau, Montrose Co. 3246

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Hymenoxys hoopesii, Grand Mesa, Mesa Co. 2876

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Hymenoxys hoopesii, FR 503, Uncompahgre Plateau, Montrose Co. 3254

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Hymenoxys hoopesii, Grand Mesa, Mesa Co. 2959

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Leaves, Hymenoxys hoopesii, FR 503, Uncompahgre Plateau, Montrose Co. 3249

Scientific Name Hymenoxys hoopesii USDA PLANTS Symbol HYHO
Common Name Orange Sneezeweed, Owl's-claws ITIS Taxonomic Serial No. 507616
Family Asteraceae (Sunflower) SEINet
Reference
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Description Life zones and habitat: Foothills to subalpine (7000 to 11500); moist areas in open woods, meadows, roadsides.
Plant: Erect perennial 12 to 40 inches tall; stout, leafy stem, often purple-red-tinted.
Leaves: Stem leaves to 12 inches long, alternate, thick, oblanceolate, somewhat hairy to smooth; upper leaves smaller.
Inflorescence: Composite flower heads 3 inches across with drooping yellow to orange rays, teeth on tips; orange-yellow domed disk with hundreds of florets; hairy phyllaries beneath.
Bloom Period: June to August.
References: "Guide to Colorado Wildflowers" by G.K. Guennel, "Flora of Colorado" by Jennifer Ackerfield, and SEINet.
BONAP Distribution Map


Map Color Key
Colorado Status:
Native

© Tom Lebsack 2022

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