Packera werneriifolia

(Alpine Rock Groundsel)


Packera werneriifolia, Santa Fe Peak, Summit Co. 4148


Packera werneriifolia, Crystal Lakes, Summit Co. 1183

Scientific Name Packera werneriifolia USDA PLANTS Symbol PAWE4
Common Name Alpine Rock Groundsel, Hoary Groundsel ITIS Taxonomic Serial No. 518160
Family Asteraceae (Sunflower) SEINet
Click Here
Description Life zones and habitat: Subalpine and alpine (6500 to 14100 ft.); open, rocky areas in meadows and openings.
Plant: Erect perennial 3 to 6 inches tall; woolly, often reddish stem.
Leaves: Mostly basal; fleshy, thick, narrow to elliptic or ovate, may be woolly underneath, up to 1-1/2 inches long and petiolate.
Inflorescence: Cluster of a few composite heads less than 1 inch across; 8 to 13 yellow rays with indented tips; darker yellow disk florets.
Bloom Period: June to August.
References: "Flora of Colorado" by Jennifer Ackerfield, "Guide to Colorado Wildflowers" by G.K. Guennel and SEINet.
BONAP Distribution Map

Map Color Key
Colorado Status:

© Tom Lebsack 2024

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