Flora of North America species comparison

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Coreopsis calliopsidea

Coreopsis auriculata

leafstem tickseed

lobed tickseed, mouse-eared tickseed
Habit Annuals, (5–)12–30(–50) cm. Perennials, 10–30(–60+) cm (often stoloniferous).
Leaves

lobes linear, 3–30 × 0.5–3 mm.

basal and cauline on proximal 1/4–1/2 of plant heights;

petioles 1–6(–10+) cm;

blades simple or with 1–2+ lateral lobes, simple blades or terminal lobes suborbiculate or ovate-elliptic to lance-ovate, 15–55(–75) × 9–25(–35) mm.
Peduncles

5–25+ cm.

8–20+ cm.
Ray florets

(5–)8+;

laminae 12–20(–30) mm.

Ray laminae

yellow, 15–20+ mm.
Disc florets/Disc corollas

(12–)40–100+;

corollas 4–6.6 mm.

3.5–4.5 mm, apices yellow.
Phyllaries

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

lance-deltate to lance-ovate, 9–12 mm.
Calyculi

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

of ovate to oblong bractlets 5–10+ mm.
Cypselae

1.5–2.5 mm, wings 0 or involute and ± corky.
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.

Aerial

nodes proximal to first peduncle usually 1–2(–3), distalmost 1–3 internodes 1–4(–8+) cm.
2n

= 24.

= 26.

Coreopsis calliopsidea

Coreopsis auriculata
Phenology Flowering Feb–Jun. Flowering Apr–Jun.
Habitat Alkaline playas, flood plains, deep sands Roadsides and other openings in woods, pine barrens
Elevation 100–1000 m (300–3300 ft) 10–500+ m (0–1600+ ft)
Distribution
from FNA
CA
[WildflowerSearch map]
from FNA
AL; FL; GA; KY; LA; MS; NC; SC; TN; VA; WV
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 21, p. 188. FNA vol. 21, p. 193.
Parent taxa Asteraceae > tribe Heliantheae > subtribe Coreopsidinae > Coreopsis > sect. Pugiopappus Asteraceae > tribe Heliantheae > subtribe Coreopsidinae > Coreopsis > sect. Coreopsis
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. 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. 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) Linnaeus: Sp. Pl. 2: 908. (1753)
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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