Pyrrocoma uniflora var. uniflora

(Plantain Goldenweed)

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Pyrrocoma uniflora var. uniflora, County Line Trail, Grand Mesa NF, Delta Co. 0650

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Pyrrocoma uniflora var. uniflora, County Line Trail, Grand Mesa NF, Delta Co. 0652

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Pyrrocoma uniflora var. uniflora, County Line Trail, Grand Mesa NF, Delta Co. 0655

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Pyrrocoma uniflora var. uniflora, County Line Trail, Grand Mesa NF, Delta Co. 0657

Scientific Name Pyrrocoma uniflora var. uniflora USDA PLANTS Symbol PYUNU
Common Name Plantain Goldenweed ITIS Taxonomic Serial No. 529957
Family Asteraceae (Sunflower) SEINet
Reference
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Description Life zones and habitat: Montane to alpine (8000 to 13800 ft.); various soils in wet or dry meadows and open woodlands.
Plant: Short perennial 3 to 16 inches tall with curved, one or more reddish, ascending or reclining stems; stems are nearly naked and may have shaggy, woolly hairs.
Leaves: Basal leaves are linear to elliptic, 2 to 4 inches long, and up to 5/8-inch wide; a few smaller alternate stem leaves that are similar in shape or lanceolate, and clasping; surfaces usually smooth or sparsely to densely covered with shaggy hairs; edges may be entire or have a few sharp teeth.
Inflorescence: Composite flower heads, usually solitary or in clusters of 2 to 4; 1 to 1-1/3 inches across with 18 to 50 yellow rays and 35 to 60 yellow disk florets; green phyllaries are shaggy-hairy, narrowly linear-lanceolate and of similar lengths in two rows.
Bloom Period: July and August.
References: "Flora of Colorado" by Jennifer Ackerfield, Flora of North America and American Southwest.
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