Hymenopappus filifolius var. polycephalus

(Fineleaf Woollywhite)

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Hymenopappus filifolius var. polycephalus, Pawnee Buttes, Weld Co. 7526

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Hymenopappus filifolius var. polycephalus, Pawnee Buttes, Weld Co. 7478

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Hymenopappus filifolius var. polycephalus, Pawnee Buttes, Weld Co. 7474

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Hymenopappus filifolius var. polycephalus, Pawnee Buttes, Weld Co. 7476

Scientific Name Hymenopappus filifolius var. polycephalus USDA PLANTS Symbol HYFIP3
Common Name Fineleaf Woollywhite, Manyhead Hymenopappus ITIS Taxonomic Serial No. 528528
Family Asteraceae (Sunflower) SEINet
Reference
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Description Life zones and habitat: Plains (3600 to 5000 ft); dry, sandy or gravelly soils in open areas, plains and grasslands.
Plant: Erect perennial 12 to 24 inches tall, a few to multiple stems branching from base and often branched above; herbage sparsely to densely covered with tiny woolly hairs to smooth.
Leaves: Leaves mainly basal plus 3 to 8 stem leaves; petiolate, up to 3 inches long; blades deeply 1 or 2 times pinnately-divided into widely-spaced linear lobes, each 3/8 to almost 1-1/4 inches long.
Inflorescence: A few to many (5 to 50) rayless, disk-shaped yellow heads about 1/2 inch across on peduncles 7/8 to 3 inches long; 20 to 50 disk florets with yellow corollas; hemispheric-shaped involucres with 5 to 13 overlapping, membraneous phyllaries.
Bloom Period: June to August.
References: "Flora of Colorado" by Jennifer Ackerfield, Flora of North America, American Southwest and Montana Field Guide.
BONAP Distribution Map
Colorado Status:
Native

© Tom Lebsack 2022

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