Flora of North America species comparison

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Coreopsis rosea

Coreopsis latifolia

pink tick-seed

broadleaf tickseed
Habit Perennials, 10–30(–60) cm. Perennials, 90–150 cm.
Leaves

mostly cauline; opposite;

petioles 0–1 mm, ciliate or not;

blades lance-linear to linear or filiform, 20–45(–60) × 1–2(–3+) mm, rarely with 1–2 lateral lobes.

blades ovate, 6–15(–20+) × 2–10+ cm.
Peduncles

2–4(–6+) cm.

1–5(–10) cm.
Ray laminae

pinkish to white, 9–15+ mm.

10–18 mm.
Disc florets/Disc corollas

40–60+;

corollas ochroleucous to yellow, 2.5–3 mm.

7–8 mm.
Phyllaries

deltate-ovate, 4.5–5.5 mm.

5, oblong, 8–12 mm.
Calyculi

of oblong to linear bractlets 1.5–2+ mm.

of 3–8+ linear bractlets 5–8 mm.
Cypselae

narrowly oblong, 1.3–1.8 mm, not winged;

pappi 0.

7–8 mm.
Internodes

(± mid stem) 1–4(–5+) cm.

2n

= 26.

= 26.

Coreopsis rosea

Coreopsis latifolia
Phenology Flowering Aug–Sep. Flowering Aug–Sep.
Habitat Sandy shores, marsh edges, etc. Shaded slopes in woods
Elevation 0–50 m (0–200 ft) 300–700 m (1000–2300 ft)
Distribution
from FNA
DE; MA; NJ; PA; RI; SC; NS
[WildflowerSearch map]
[BONAP county map]
from FNA
GA; NC; SC; TN
[BONAP county map]
Discussion

Occurrence of Coreopsis rosea in South Carolina may represent a human-mediated disjunction; the collection came from a “lime sink” near a trailer park close to a freeway.

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

Coreopsis latifolia is in the Center for Plant Conservation’s National Collection of Endangered Plants.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 21, p. 196. FNA vol. 21, p. 190.
Parent taxa Asteraceae > tribe Heliantheae > subtribe Coreopsidinae > Coreopsis > sect. Eublepharis Asteraceae > tribe Heliantheae > subtribe Coreopsidinae > Coreopsis > sect. Silphidium
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. pubescens, C. pulchra, 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. 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
Name authority Nuttall: Gen. N. Amer. Pl. 2: 179. (1818) Michaux: Fl. Bor.-Amer. 2: 137. (1803)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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