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Coreopsis lanceolata L.
COMMON TICKSEED
Coreopsis; Coreopsis grandiflora Hogg ex Sweet; Lanceleaf tickseed; Lanceleaf coreopsis

Life   Plantae   Dicotyledoneae   Asteraceae   Coreopsis

Coreopsis lanceolata, Long-stalked Tickseed
© Copyright Sheryl Pollock 2011 · 7
Coreopsis lanceolata, Long-stalked Tickseed

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Coreopsis lanceolata
© Copyright Jeremy Anderson 2012 · 5
Coreopsis lanceolata
Coreopsis lanceolata
© Copyright Jeremy Anderson 2012 · 5
Coreopsis lanceolata

Coreopsis lanceolata
© Copyright Jeremy Anderson 2012 · 5
Coreopsis lanceolata
Coreopsis lanceolata
© Copyright Jeremy Anderson 2012 · 5
Coreopsis lanceolata

Coreopsis lanceolata
© Copyright Jeremy Anderson 2012 · 5
Coreopsis lanceolata
Coreopsis lanceolata
© Copyright Jeremy Anderson 2012 · 5
Coreopsis lanceolata

Coreopsis lanceolata
© Copyright Bobby Hattaway 2011 · 5
Coreopsis lanceolata
Coreopsis lanceolata
© Copyright Bobby Hattaway 2011 · 5
Coreopsis lanceolata

Coreopsis lanceolata
© Copyright Bobby Hattaway 2011 · 5
Coreopsis lanceolata
Coreopsis lanceolata
© Copyright Bobby Hattaway 2011 · 5
Coreopsis lanceolata

Coreopsis lanceolata
© Copyright Bobby Hattaway 2011 · 5
Coreopsis lanceolata
Coreopsis lanceolata
© Copyright Bobby Hattaway 2011 · 5
Coreopsis lanceolata

Coreopsis lanceolata, inflorescence - whole - unspecified
© Copyright Steve Baskauf, 2002-2011 · 4
Coreopsis lanceolata, inflorescence - whole - unspecified
Coreopsis lanceolata, whole plant - in flower - general view
© Copyright Steve Baskauf, 2002-2011 · 4
Coreopsis lanceolata, whole plant - in flower - general view

Associates · map
FamilyScientific name @ source (records)
Apidae  Ceratina calcarata @ MLSB__N16- (3)
Colletidae  Hylaeus mesillae @ MLSB__N16- (1)
Halictidae  Agapostemon virescens @ MLSB__N16- (1)

Halictus ligatus @ MLSB__N16- (3)
Megachilidae  Osmia georgica @ MLSB__N16- (1)
Miridae  Sixeonotus albohirtus @ NCSU (1)
Rhopalidae  Harmostes angustatus @ UCR_ENT (1)
Syrphidae  Eristalis transversa @ MLSB__N16- (1)

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Following modified from Delaware Wildflowers
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Delaware Wildflowers  •  Scientific names

Coreopsis lanceolata L. Lance-leaf Coreopsis
Asteraceae — Aster family
Native
Coreopsis lanceolata
Deacons Walk Park
June 2001 Coreopsis lanceolata
Port Penn Wetlands Trail
June 2003 Coreopsis lanceolata
Lake Gerar, Rehoboth
June 2013

More information on this plant, from other sources.


Copyright David G. Smith

Delaware Wildflowers main page

Following modified from MissouriPlants.com
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Coreopsis lanceolata L.

Coreopsis lanceolata plant

Family - Asteraceae

Stems - Multiple from base, herbaceous, branching, erect or reclining, with vertical striations, glabrous to villous, fistulose.

Coreopsis lanceolata stem Stem of variety villosa .

Coreopsis lanceolata stem Stem of variety lanceolata .

Leaves - Opposite, sessile, linear oblong to oblanceolate, often with two or four pinnate lobes, to +10cm long, +2cm broad, acute, entire, scabrous (hairs with swollen bases) or glabrous, with a single prominent midrib. Margins with minute antrorse prickles. The leaves mostly in the basal 1/2 of the plant.

Inflorescence - Single flower head terminating a long naked peduncle. Peduncle to -30cm long.

Involucre. - Involucre of two series (biseriate). Outer phyllaries 8, 5mm long, 2mm broad, with scarious margins, glabrous, green, spreading or slightly erect, expanding in fruit. Inner phyllaries to 1.2cm long, green at base, yellow and translucent at apex, bent at midpoint and the apices spreading, glabrous, acute, to 5mm broad.

Coreopsis lanceolata involucre Involucre.

Ray flowers - Ligule yellow, +/-2.5cm long, 1.2cm broad, glabrous, 4-lobed near apex. Flowers sterile. Achenes 4mm long in flower, 1mm broad, flattened, greenish. Pappus of two marginal scale-like awns.

Disk flowers - Disk 9mm broad in flower. Flowers yellow, 5-lobed, fertile. Corolla tube to 3mm long, glabrous. Achenes flattened, 1.2mm long in flower, with 2 small awns. Achenes brown, 3mm long, to 1.9mm broad in fruit. Awns deciduous in fruit. Receptacle convex. Chaff to 9mm long, white and flat at the base, filiform and yellow at the apex, well exceeding the disk flowers.

Coreopsis lanceolata flowers Flowers.

Coreopsis lanceolata flowers Again.

Flowering - April - July.

Habitat - Rocky prairies, glades, bluffs, sandy open ground, roadsides, railroads.

Origin - Native to U.S.

Other info. - This species can be found mainly in the southern half of Missouri. The plant is easy to ID in the field because of its undivided, opposite leaves and big yellow flower heads. This plant does well in cultivation and makes a good garden specimen.
Steyermark breaks the species up into 2 varieties. Variety lanceolata has stems and leaves that are mostly glabrous. Variety villosa Michx. has leaves and stems which are pubescent. Both varieties are equally distributed in the plants habitat.

Photographs taken in Alley Spring Park, Shannon County, MO., 5-22-03, and off Hwy 21, Reynolds County, MO., 5-18-03.


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Following modified from Plants Database, United States Department of Agriculture
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http://plants.usda.gov/java/profile?symbol=COLA5 ---> https://plants.usda.gov/java/profile?symbol=COLA5
&pull 20q v4.662 20091102: Error 501 Protocol scheme 'https' is not supported (LWP::Protocol::https not installed) https://plants.usda.gov/java/profile?symbol=COLA5

Following modified from Flora of North America
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Link to Flora of North America home
 
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FNA Vol. 21 Page 185, 193, 194 Login | eFloras Home | Help
FNA | Family List | FNA Vol. 21 | Asteraceae | Coreopsis

19. Coreopsis lanceolata Linnaeus, Sp. Pl. 2: 908. 1753.

Perennials, 10—30(—60+) cm. Aerial nodes proximal to first peduncle usually 1—3(—5+), distalmost 1—3 internodes 1—2(—8+) cm. Leaves: basal and cauline on proximal 1 /4— 1 /3(— 1 /2) of plant heights; petioles 1—5(—8+) cm; blades simple or with 1—2+ lateral lobes, simple blades or terminal lobes lance-ovate or lanceolate to oblanceolate or lance-linear, 5—12 cm × 8—15(—18+) mm. Peduncles (8—)12—20(—35+) cm. Calyculi of lance-ovate to lance-linear or linear bractlets 4—8(—12) mm. Phyllaries deltate to lance-deltate, 8—12+ mm. Ray laminae yellow, 15—30+ mm. Disc corollas 6—7.5 mm, apices yellow. Cypselae (2.6—)3—4 mm, wings ± spreading, ± chartaceous, entire. 2 n = 26 (+ 0—4B).

Flowering (Mar—)May—Jul(—Aug). Sandy soils, ditches and roadsides, other disturbed sites; 30—500(—1000+) m; B.C., Ont.; Ala., Ark., Fla., Ga., Ill., Ind., Kans., Ky., La., Md., Mich., Miss., Mo., N.J., N.Mex., N.Y., N.C., Ohio, Okla., Pa., S.C., Tenn., Tex., Vt., Va., W.Va., Wis.

Plants that have been called Coreopsis lanceolata var. villosa Michaux often have 5+ aerial internodes 6+ cm long proximal to the first peduncle; they may merit recognition as a distinct taxon or may be hybrids (or derivatives) from crosses between C. lanceolata and C. pubescens .

Following modified from CalPhotos
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CalPhotos     Photo Database

 

Number of matches : 15
Query: SELECT * FROM img WHERE ready=1 and taxon like "Coreopsis lanceolata%" and (lifeform != "specimen_tag" OR lifeform != "Plant") ORDER BY taxon

Click on the thumbnail to see an enlargement

Coreopsis lanceolata
Coreopsis lanceolata
Lanceleaf Tickseed
ID: 0000 0000 0713 0095 [detail]
© 2013 Richard Spellenberg

Coreopsis lanceolata
Coreopsis lanceolata
Lanceleaf Tickseed
ID: 0000 0000 0713 0096 [detail]
© 2013 Richard Spellenberg

Coreopsis lanceolata
Coreopsis lanceolata
Lanceleaf Tickseed
ID: 0000 0000 0713 0097 [detail]
© 2013 Richard Spellenberg

Coreopsis lanceolata
Coreopsis lanceolata
Lanceleaf Tickseed
ID: 0000 0000 0116 5589 [detail]
© 2016 Richard Spellenberg

Coreopsis lanceolata
Coreopsis lanceolata
Lanceleaf Coreopsis
ID: 0000 1111 1234 1623 [detail]
© 2016 Keir Morse

Coreopsis lanceolata
Coreopsis lanceolata
Lanceleaf Coreopsis
ID: 0000 1111 1234 1624 [detail]
© 2016 Keir Morse

Coreopsis lanceolata
Coreopsis lanceolata
Lanceleaf Coreopsis
ID: 0000 1111 1234 1625 [detail]
© 2016 Keir Morse

Coreopsis lanceolata
Coreopsis lanceolata
Lanceleaf Coreopsis
ID: 0000 1111 1234 1626 [detail]
© 2016 Keir Morse

Coreopsis lanceolata
Coreopsis lanceolata
Lanceleaf Coreopsis
ID: 0000 1111 1234 1627 [detail]
© 2016 Keir Morse

Coreopsis lanceolata
Coreopsis lanceolata
Lanceleaf Coreopsis
ID: 0000 1111 1234 1628 [detail]
© 2016 Keir Morse

Coreopsis lanceolata
Coreopsis lanceolata
Lanceleaf Coreopsis
ID: 0000 1111 1234 1629 [detail]
© 2016 Keir Morse

Coreopsis lanceolata
Coreopsis lanceolata
Lanceleaf Coreopsis
ID: 0000 1111 1234 1630 [detail]
© 2016 Keir Morse

Coreopsis lanceolata
Coreopsis lanceolata
Lanceleaf Coreopsis
ID: 0000 1111 1234 1631 [detail]
© 2016 Keir Morse

Coreopsis lanceolata
Coreopsis lanceolata
Lanceleaf Coreopsis
ID: 0000 1111 1234 1632 [detail]
© 2016 Keir Morse

Coreopsis lanceolata
Coreopsis lanceolata
Lanceleaf Coreopsis
ID: 0000 1111 1234 1633 [detail]
© 2016 Keir Morse

Using these photos: A variety of organizations and individuals have contributed photographs to CalPhotos. Please follow the usage guidelines provided with each image. Use and copyright information, as well as other details about the photo such as the date and the location, are available by clicking on the [detail] link under the thumbnail. See also: Using the Photos in CalPhotos .   


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