Coreopsis major — Details

Coreopsis major var. rigida (Nutt.) F.E. Boynton:
United States (North America)

Fernald, M. 1950. Manual (ed. 8) i–lxiv, 1–1632. American Book Co., New York. http://www.tropicos.org/Reference/1327

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Coreopsis major var. stellata (Nutt.) B.L. Rob.:
United States (North America)

Radford, A. E., H. E. Ahles & C. R. Bell. 1968. Man. Vasc. Fl. Carolinas i–lxi, 1–1183. University of North Carolina Press, Chapel Hill. http://www.tropicos.org/Reference/636
Fernald, M. 1950. Manual (ed. 8) i–lxiv, 1–1632. American Book Co., New York. http://www.tropicos.org/Reference/1327

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Coreopsis major Walter:
United States (North America)

Anonymous. 1986. List-Based Rec., Soil Conserv. Serv., U.S.D.A. Database of the U.S.D.A., Beltsville. http://www.tropicos.org/Reference/1103
Gleason, H. A. 1968. The Sympetalous Dicotyledoneae. vol. 3. 596 pp. In H. A. Gleason Ill. Fl. N. U.S. (ed. 3). New York Botanical Garden, New York. http://www.tropicos.org/Reference/1707
Small, J. K. 1933. Man. S.E. Fl. i–xxii, 1–1554. Published by the Author, New York. http://www.tropicos.org/Reference/1515
Cronquist, A. J. 1980. Asteraceae. 1: i–xv, 1–261. In Vasc. Fl. S.E. U. S. The University of North Carolina Press, Chapel Hill. http://www.tropicos.org/Reference/1714

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National Distribution

United States

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

Type of Residency: Year-round

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Physical Description

Morphology

Description

Perennials, 30–90 cm. Internodes (± mid stem) 5–11 cm. Leaves: petioles 0–1 mm; blades simple or 3-foliolate, simple blades or leaflets ± lance-elliptic to narrowly lanceolate, 25–55(–100+) × (4–)6–15(–30+) mm (seldom lobed). Peduncles 2–6+ cm. Calyculi of 7–8 oblong to linear bractlets 3–6 mm. Phyllaries 8, lance-oblong to lance-ovate, 6–8 mm. Ray laminae 12–30+ mm. Disc florets 40–80+; corollas yellow (often drying blackish to purplish), 6–7 mm. Cypselae obovate to oblong, 4–5 mm. 2n = 26, 78, 104.

Flora of North America @ eFloras.org

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Diagnostic Description

Synonym

Coreopsis major var. rigida (Nuttall) F. E. Boynton; C. major var. stellata (Nuttall) B. L. Robinson

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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage: Coreopsis major

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 1
Species: 1
Species With Barcodes: 1

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Source: Barcode of Life Data Systems (BOLD)

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Conservation

Conservation Status

National NatureServe Conservation Status

United States

Rounded National Status Rank: N5 - Secure

Source: NatureServe

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NatureServe Conservation Status

Rounded Global Status Rank: G5 - Secure

Source: NatureServe

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Wikipedia

Coreopsis major

Coreopsis major is a plant species of the genus coreopsis in Asteraceae. Coreopsis species are commonly called tick seeds.

This Heliantheae article is a stub. You can help Wikipedia by expanding it.

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