Tetraneuris ivesiana
(Ives' Four-nerve Daisy)
Tetraneuris ivesiana, FR 503, Uncompahgre Plateau, Montrose Co. 2907
Tetraneuris ivesiana, FR 503, Uncompahgre Plateau, Montrose Co. 2902
Tetraneuris ivesiana, FR 503, Uncompahgre Plateau, Montrose Co. 2916
Tetraneuris ivesiana, FR 503, Uncompahgre Plateau, Montrose Co. 2915
| Scientific Name | Tetraneuris ivesiana (Hymenoxys ivesiana) | USDA PLANTS Symbol | TEIV |
| Common Name | Ives' Four-nerve Daisy, Perky Sue | ITIS Taxonomic Serial No. | 38512 |
| Family | Asteraceae (Sunflower) | SEINet Reference |
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| Description |
Life zones and habitat: Plains to montane (4900 to 9500 ft.); dry open areas, sagebrush meadows, conifer woodlands. Plant: Short perennial 4 to 12 inches tall; somewhat branched from base, stems also may be branched. Leaves: Basal and lower stem leaves linear-oblanceolate; mid-stem blades becoming linear; edges entire, surfaces smooth or sparsely to moderately-covered with downy hairs and usually densely gland-dotted; blades tightly clustered, especially basal, and 2 to 7-1/2 inches long. Inflorescence: Composite flower heads with 7-10 yellow ray florets 3/8 to 3/4 inch long with two notches at tips; 80 to 150+ yellow disk florets; involucre with pointed, hairy, gland-dotted phyllaries; heads usually solitary on somewhat to densely hairy peduncles 2 to 8 inches long. Bloom Period: May to August. References: "Flora of Colorado" by Jennifer Ackerfield, American Southwest, SW Colorado Wildflowers and SEINet. |
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