Tetraneuris acaulis var. acaulis
(Stemless Four-nerve Daisy)
Tetraneuris acaulis var. acaulis, Pawnee Buttes, Weld Co. 7544
Tetraneuris acaulis var. acaulis, Pawnee Buttes, Weld Co. 7547
Tetraneuris acaulis var. acaulis, Pawnee Buttes, Weld Co. 7545
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 |
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| 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 2024
Banner photo: Castilleja rhexifolia and a brewing storm over the San Juan Mountains