Tetraneuris acaulis var. caespitosa

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Scientific Name Tetraneuris acaulis var. caespitosa (Hymenoxys acaulis) USDA PLANTS Symbol
TEACC
Common Name Stemless Four-nerve Daisy, Stemless Hymenoxys, Goldflower ITIS Taxonomic Serial No.
530625
Family Asteraceae (Sunflower) Flora of North America Reference
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Description Life zones and habitat: Alpine. Tundra, rocky, gravelly areas, alpine meadows above timberline.
Plant: Short perennial 1 to 3 inches tall; 1 to many unbranched, reddish-green, leafless stems (peduncles) with short hairs.
Leaves: Thick, hairy, basal, spatulate or oblanceolate to linear-oblanceolate, may be dotted with glands; 1 to 2 inches long.
Inflorescence: Composite flower heads less than 2 inches across borne singly atop peduncles; 8 to 15 yellow ray flowers (petals) with three notches at tips; yellow centers with 25 to 200 disk florets; phyllaries usually densely hairy.
References: Descr. adapted from Flora of North America, and www.americansouthwest.net.
Note: The plants below appear to be var. caespitosa because of the county and altitude at which they are located (in Summit County at 12000 ft) and the hairiness of the leaves.
Colorado Status
Native
© Tom Lebsack 2017