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hairy coreopsis, hairy tickseed, star tickseed

Habit Perennials, 20–70(–90+) cm.
Leaves

mostly cauline on proximal 2/3–7/8 of plant heights;

petioles 2–10(–25+) mm;

blades usually simple, rarely with 1–2(–3+) lateral lobes, simple blades or terminal lobes lance-elliptic to oblanceolate or lanceolate, 15–60(–80) × 2–25(–35) mm.

Peduncles

(7–)12–15+ cm.

Ray laminae

yellow, 12–15+ mm.

Disc corollas

4.6–5.4 mm, apices yellow.

Phyllaries

lance-ovate to lanceolate, 5–8+ mm.

Calyculi

of lanceolate to lance-linear bractlets 3–7 mm.

Cypselae

2.5–3 mm, wings ± spreading, ± chartaceous, entire.

Aerial

nodes proximal to first peduncle usually (5–)6–12+, distalmost 1–3 internodes 4–6(–10+) cm.

2n

= 26 (+ 0–2B).

Coreopsis pubescens

Phenology Flowering (Apr–)Jun–Aug(–Sep).
Habitat Sandy soils, granite outcrops, open pine-oak woods, ditches and roadsides, other disturbed sites
Elevation 30–1000+ m (100–3300+ ft)
Distribution
from FNA
AL; AR; CT; FL; GA; IL; KS; KY; LA; MA; MO; MS; NC; OK; SC; TN; TX; VA; WV
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Discussion

Bushy to wiry, nearly glabrous plants with leaf blades mostly simple, mostly oblanceolate, and 2–15+ mm wide and with relatively small heads, florets, and fruits from coastal Mississippi and included here in Coreopsis pubescens may merit recognition as C. debilis Sherff or C. pubescens var. debilis.

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

Source FNA vol. 21, p. 195.
Parent taxa Asteraceae > tribe Heliantheae > subtribe Coreopsidinae > Coreopsis > sect. Coreopsis
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. lanceolata, C. latifolia, C. leavenworthii, C. major, C. maritima, C. nudata, C. nuecensis, C. palmata, C. pulchra, C. rosea, C. stillmanii, C. tinctoria, C. tripteris, C. verticillata
Synonyms C. pubescens var. debilis, C. pubescens var. robusta
Name authority Elliott: Sketch Bot. S. Carolina 2: 441. (1823)
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