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garden coreopsis, lance-leaf coreopsis, lance-leaf tick-seed, lanced-leaf coreopsis, sand coreopsis

woodland tickseed

Habit Perennials, 10–30(–60+) cm. Perennials, 20–40+ 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.

petioles 0–1 mm;

blades usually 3-foliolate, simple blades or leaflets entire or each ± pedately lobed with 2–5+, ± oblong to linear lobes 15–30+ × 1–1.5(–2.5+) mm.

Peduncles

(8–)12–20(–35+) cm.

2–5(–8+) cm.

Ray laminae

yellow, 15–30+ mm.

10–20+ mm.

Disc florets/Disc corollas

6–7.5 mm, apices yellow.

30–45+;

corollas yellow (sometimes drying blackish) or purple, 3–4 mm.

Phyllaries

deltate to lance-deltate, 8–12+ mm.

8, lance-ovate to oblong, 4–5 mm.

Calyculi

of lance-ovate to lance-linear or linear bractlets 4–8(–12) mm.

of 8 oblong to linear bractlets 1.5–3+ mm.

Cypselae

(2.6–)3–4 mm, wings ± spreading, ± chartaceous, entire.

obovate to oblong, 4–5 mm.

Aerial

nodes proximal to first peduncle usually 1–3(–5+), distalmost 1–3 internodes 1–2(–8+) cm.

Internodes

(± mid stem) 8–12(–16) mm.

2n

= 26 (+ 0–4B).

= 26.

Coreopsis lanceolata

Coreopsis pulchra

Phenology Flowering (Mar–)May–Jul(–Aug). Flowering Jun–Sep.
Habitat Sandy soils, ditches and roadsides, other disturbed sites Openings in woods, sandstone outcrops
Elevation 30–500(–1000+) m (100–1600(–3300+) ft) 300 m (1000 ft)
Distribution
from FNA
AL; AR; FL; GA; IL; IN; KS; KY; LA; MD; MI; MO; MS; NC; NJ; NM; NY; OH; OK; PA; SC; TN; TX; VA; VT; WI; WV; BC; ON
[WildflowerSearch map]
[BONAP county map]
from FNA
AL; GA
[BONAP county map]
Discussion

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.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 21, p. 194. FNA vol. 21, p. 192.
Parent taxa Asteraceae > tribe Heliantheae > subtribe Coreopsidinae > Coreopsis > sect. Coreopsis Asteraceae > tribe Heliantheae > subtribe Coreopsidinae > Coreopsis > sect. Gyrophyllum
Sibling taxa
C. auriculata, C. basalis, C. bigelovii, C. californica, C. calliopsidea, C. delphiniifolia, C. douglasii, C. gigantea, C. gladiata, C. grandiflora, C. hamiltonii, C. integrifolia, C. intermedia, C. latifolia, C. leavenworthii, C. major, C. maritima, C. nudata, C. nuecensis, C. palmata, C. pubescens, C. pulchra, C. rosea, C. stillmanii, C. tinctoria, C. tripteris, C. verticillata
C. auriculata, C. basalis, C. bigelovii, C. californica, C. calliopsidea, C. delphiniifolia, C. douglasii, C. gigantea, C. gladiata, C. grandiflora, C. hamiltonii, C. integrifolia, C. intermedia, C. lanceolata, C. latifolia, C. leavenworthii, C. major, C. maritima, C. nudata, C. nuecensis, C. palmata, C. pubescens, C. rosea, C. stillmanii, C. tinctoria, C. tripteris, C. verticillata
Name authority Linnaeus: Sp. Pl. 2: 908. (1753) F. E. Boynton: in J. K. Small, Fl. S.E. U.S., 1277, 1340. (1903)
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