Hymenopappus filifolius

Click on the images below to see larger versions. 

Scientific Name Hymenopappus filifolius var. cinereus USDA PLANTS Symbol HYFIC
Common Name Fineleaf Hymenopappus ITIS Taxonomic Serial No. 528517
Family Asteraceae (Sunflower) SEINet
Reference
Click Here
Description Life zones and habitat: Plains to montane (3600 to 9200 ft); clay or sandy soils in open areas on hillsides, 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 and either none or 2 to 4 stem leaves; petiolate, up to 3 inches long; blades deeply 1 or 2 times pinnately-divided into widely-spaced linear lobes, each about 5/8-inch long or less.
Inflorescence: Few (1 to 6) 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
Scientific Name Hymenopappus filifolius var. polycephalus USDA PLANTS Symbol HYFIP3
Common Name Fineleaf Hymenopappus, Manyhead Hymenopappus ITIS Taxonomic Serial No. 528528
Family Asteraceae (Sunflower) SEINet
Reference
Click Here
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 2021