Pyrrocoma clementis var. clementis

(Tranquil Goldenweed)

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Pyrrocoma clementis var. clementis, Gore Pass, Grand Co. 1881

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Pyrrocoma clementis var. clementis, Gore Pass, Grand Co. 1882

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Pyrrocoma clementis var. clementis, Gore Pass, Grand Co. 1892

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Pyrrocoma clementis var. clementis, Gore Pass, Grand Co. 1884

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Pyrrocoma clementis var. clementis, Gore Pass, Grand Co. 1886

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Pyrrocoma clementis var. clementis, Gore Pass, Grand Co. 1889

Scientific Name Pyrrocoma clementis var. clementis USDA PLANTS Symbol PYCLC
Common Name Tranquil Goldenweed ITIS Taxonomic Serial No. 529941
Family Asteraceae (Sunflower) SEINet
Reference
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Description Life zones and habitat: Montane to alpine (9200 to 13000 ft.); rocky hillsides, woodland openings and meadows.
Plant: Short perennial 8 to 12 inches tall, light green to reddish stems sparsely or densely covered with woolly hairs .
Leaves: Basal leaves narrowly lanceolate to oblanceolate, 2 to 5-1/2 inches long, fleshy, hairless, with entire, slightly undulate, sometimes denticulate, sparsely ciliate edges; stem leaves sessile, lanceolate to ovate, auriculate, 1-1/2 to 3 inches long, bases clasping, surfaces sparsely hairy and edges hairy.
Inflorescence: Solitary, composite flower heads 1 to 1-3/4 inches across with 20 to 55 yellow rays around the yellow center of 100+ disk florets; phyllaries are shaggy-hairy, narrowly obovate of different lengths, in several rows, colored green to purple.
Bloom Period: July and August.
References: "Flora of Colorado" by Jennifer Ackerfield, Flora of North America and American Southwest
Note: All of the flower heads in the area of the images above exhibited an elliptical rather than circular center.
BONAP Distribution Map


Map Color Key
Colorado Status:
Native

© Tom Lebsack 2024

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