Tetraneuris acaulis var. acaulis

(Stemless Four-nerve Daisy)

_DSC1056%20copy

Tetraneuris acaulis var. acaulis, Pawnee Buttes, Weld Co. 7544

_DSC1056%20copy

Tetraneuris acaulis var. acaulis, Pawnee Buttes, Weld Co. 7547

_DSC1056%20copy

Tetraneuris acaulis var. acaulis, Pawnee Buttes, Weld Co. 7545

_DSC1056%20copy

Tetraneuris acaulis var. acaulis, Pawnee Buttes, Weld Co. 7551

Scientific Name Tetraneuris acaulis var. acaulis (Hymenoxys acaulis) USDA PLANTS Symbol TEACA2
Common Name Stemless Four-nerve Daisy, Stemless Hymenoxys, Goldflower ITIS Taxonomic Serial No. 530623
Family Asteraceae (Sunflower) SEINet
Reference
Click Here
Description Life zones and habitat: Plains to montane (3500 to 9500 ft.); dry soils in grasslands, roadsides, hillsides and other open areas.
Plant: Short perennial 4 to 8 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 3 to 8 inches long; 8 to 15 yellow rays with three notches at tips; yellow centers with 25 to 200 disk florets; phyllaries usually densely woolly-hairy.
Bloom Period: May to July.
References: "Flora of Colorado" by Jennifer Ackerfield, Flora of North America, and American Southwest.
BONAP Distribution Map

Map Color Key
Colorado Status:
Native

© Tom Lebsack 2022

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