Flora of North America species comparison

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Coreopsis calliopsidea

Coreopsis bigelovii

leafstem tickseed

Bigelow's tickseed
Habit Annuals, (5–)12–30(–50) cm. Annuals, 3–20(–40+) cm.
Leaf

lobes linear, 3–30 × 0.5–3 mm.

lobes linear, 5–25 × 0.5–1(–2) mm.
Peduncles

5–25+ cm.

2–20(–35+) cm.
Ray florets

(5–)8+;

laminae 12–20(–30) mm.

(3–)8+;

laminae (5–)12–20+ mm.
Disc florets

(12–)40–100+;

corollas 4–6.6 mm.

(5–)50–100+;

corollas 2–4.5 mm.
Phyllaries

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

(3–)8+, ± ovate to obovate, 6–10(–12+) mm.
Calyculi

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

of (1–)5–8 linear bractlets (1–)3–8+ mm.
Disc cypselae

oblanceolate to linear, 5–6 mm;

pappi 3–4(–5) mm.

oblanceolate to ± oblong, 5–6(–7) mm;

pappi 2–3 mm.
Ray cypselae

± oblong, 4–6 mm.

± oblong, 5–6 mm.
Paleae

seldom basally adnate to and falling with disc cypselae.

basally adnate to and falling with disc cypselae.
2n

= 24.

= 24.

Coreopsis calliopsidea

Coreopsis bigelovii
Phenology Flowering Feb–Jun. Flowering Feb–Jun.
Habitat Alkaline playas, flood plains, deep sands Openings in chaparral, desert scrub, yellow-pine forests
Elevation 100–1000 m (300–3300 ft) 100–1800 m (300–5900 ft)
Distribution
from FNA
CA
[WildflowerSearch map]
from FNA
CA
[WildflowerSearch map]
Source FNA vol. 21, p. 188. FNA vol. 21, p. 188.
Parent taxa Asteraceae > tribe Heliantheae > subtribe Coreopsidinae > Coreopsis > sect. Pugiopappus Asteraceae > tribe Heliantheae > subtribe Coreopsidinae > Coreopsis > sect. Pugiopappus
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. 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 Pugiopappus bigelovii
Name authority (de Candolle) A. Gray: in W. H. Emory, Rep. U.S. Mex. Bound. 2(1): 90. (1859) (A. Gray) Voss: Vilm. Blumengärtn. ed. 3, 1: 488. (1894)
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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