Flora of North America species comparison

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Coreopsis calliopsidea

Coreopsis nudata

leafstem tickseed

Georgia tickseed
Habit Annuals, (5–)12–30(–50) cm. Perennials, 40–60(–100+) cm.
Leaves

lobes linear, 3–30 × 0.5–3 mm.

basal and cauline; alternate;

petioles ± terete, 5–30+ cm × 0.5–2+ mm, not ciliate;

blades none.
Peduncles

5–25+ cm.

4–8+ cm.
Ray florets

(5–)8+;

laminae 12–20(–30) mm.

Ray laminae

purplish to pinkish, 12–20(–30+) mm.
Disc florets

(12–)40–100+;

corollas 4–6.6 mm.

60–120+;

corollas ochroleucous to yellow, 3.5–4.5 mm.
Phyllaries

(5–)8, lance-ovate to lanceolate, 6–10+ mm.

lance-ovate, 7–8 mm.
Calyculi

of 3–5 ovate-deltate bractlets (3–)4–6 mm.

of lance-deltate to lance-ovate bractlets 2–5 mm.
Cypselae

narrowly oblong to linear, 2.5–3+ mm, winged, wings ± pectinate, 0.2–0.4+ mm wide;

pappi of 2 subulate scales 1–1.5 mm.
Disc cypselae

oblanceolate to linear, 5–6 mm;

pappi 3–4(–5) mm.

Ray cypselae

± oblong, 4–6 mm.

Paleae

seldom basally adnate to and falling with disc cypselae.

Internodes

(± mid stem) 5–25 cm.
2n

= 24.

= 26.

Coreopsis calliopsidea

Coreopsis nudata
Phenology Flowering Feb–Jun. Flowering Apr–May.
Habitat Alkaline playas, flood plains, deep sands Ditches, pond margins, swamps, in pine barrens
Elevation 100–1000 m (300–3300 ft) 0–50+ m (0–200+ ft)
Distribution
from FNA
CA
[WildflowerSearch map]
from FNA
AL; FL; GA; LA; MS
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 21, p. 188. FNA vol. 21, p. 196.
Parent taxa Asteraceae > tribe Heliantheae > subtribe Coreopsidinae > Coreopsis > sect. Pugiopappus Asteraceae > tribe Heliantheae > subtribe Coreopsidinae > Coreopsis > sect. Eublepharis
Sibling taxa
C. auriculata, C. basalis, C. bigelovii, C. californica, 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. 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. nuecensis, C. palmata, C. pubescens, C. pulchra, C. rosea, C. stillmanii, C. tinctoria, C. tripteris, C. verticillata
Synonyms Agarista calliopsidea
Name authority (de Candolle) A. Gray: in W. H. Emory, Rep. U.S. Mex. Bound. 2(1): 90. (1859) Nuttall: Gen. N. Amer. Pl. 2: 180. (1818)
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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