Flora of North America species comparison

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Coreopsis maritima

Coreopsis californica

sea dahlia

California tickseed
Habit Perennials, 10–40(–80) cm. Annuals, 5–20(–30+) cm.
Leaf

lobes mostly linear, 5–30(–45) × (0.5–)1–2(–4) mm.

blades simple or 1(–2)-pinnately lobed, terminal lobes filiform, 0.5–1(–1.5) mm wide.
Peduncles

(8–)15–30+ cm.

5–15(–30+) cm.
Ray florets

16–21+;

laminae 20–35+ mm.

(5–)8(–12+);

laminae 7–10(–15+) mm.
Disc florets/Disc corollas

5.5–7 mm.

20–60(–100+);

corollas 2–3.6 mm.
Phyllaries

12–13+, lanceolate, 12–20 mm.

5–8, obovate to oblanceolate, 4–6(–7+) mm.
Calyculi

of 7–11+ oblong-deltate to linear bractlets (8–)12–20(–30) mm.

of (3–)5–8 linear bractlets 3–7+ mm, not ciliolate near bases.
Heads

1–2(–4+) per stem.

Cypselae

oblong-rectangular, 6–7 mm.

± oblong, (2.5–)3–4+ mm, marked adaxially with red dots or dashes, wings corky-thickened, faces ± tuberculate and/or hirtellous.
2n

= 24.

= 24.

Coreopsis maritima

Coreopsis californica
Phenology Flowering Feb–Jun. Flowering Feb–Jun.
Habitat Coastal bluffs and dunes Openings in desert scrub, stabilized dunes
Elevation 0–100 m (0–300 ft) 300–1000 m (1000–3300 ft)
Distribution
from FNA
CA
[WildflowerSearch map]
from FNA
AZ; CA
[WildflowerSearch map]
Discussion

Coreopsis californica may occur sporadically in New Mexico.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 21, p. 187. FNA vol. 21, p. 189.
Parent taxa Asteraceae > tribe Heliantheae > subtribe Coreopsidinae > Coreopsis > sect. Tuckermannia Asteraceae > tribe Heliantheae > subtribe Coreopsidinae > Coreopsis > sect. Leptosyne
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. 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. 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 Tuckermannia maritima Leptosyne californica, C. californica subsp. newberryi, C. californica var. newberryi
Name authority (Nuttall) Hooker f.: Bot. Mag. 102: plate 6241. (1876) (Nuttall) H. Sharsmith: Madroño 4: 217. (1938)
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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