Tetraneuris ivesiana

(Ives' Four-nerve Daisy)

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Tetraneuris ivesiana, FR 503, Uncompahgre Plateau, Montrose Co. 2907

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Tetraneuris ivesiana, FR 503, Uncompahgre Plateau, Montrose Co. 2902

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Tetraneuris ivesiana, FR 503, Uncompahgre Plateau, Montrose Co. 2916

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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 2022

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