Flora of North America species comparison

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Coreopsis basalis

golden mane tickseed, rock tickseed
Habit Annuals, 10–50+ cm.
Leaves

basal and cauline on proximal 3/4–7/8 of plant heights;

petioles 8–35(–120) mm;

blades simple or 1(–2)-pinnately lobed with 3–9+ lobes, simple blades or terminal lobes elliptic or lanceolate to oblanceolate or linear, 25–55+ × (1–)2–9(–20) mm.
Peduncles

6–15+ cm.
Ray laminae

yellow, usually each with a proximal, red-brown to purple spot or band, 15–20+ mm.
Disc corollas

3–4 mm, apices red-brown to purple.
Phyllaries

lance-ovate, 7–9+ mm.
Calyculi

of lance-deltate to linear bractlets 6–9(–12+) mm.
Cypselae

1.2–1.8 mm, wingless (margins ± inrolled adaxially, ± corky).
Aerial

nodes proximal to first peduncle usually 5–10+, distalmost 1–3 internodes 4–7(–10) cm.
2n

= 26.

Coreopsis basalis
Phenology Flowering Apr–Jun.
Habitat Sandy soils in open, often disturbed, places
Elevation 10–300+ m (0–1000+ ft)
Distribution
from FNA
AL; AR; FL; GA; LA; MS; NC; OK; SC; TX
[WildflowerSearch map]
[BONAP county map]
Discussion

Plants in the western part of the distribution of Coreopsis basalis usually have narrower lobes of leaf blades and narrower outer phyllaries; such plants have been treated as C. wrightii or as C. basalis var. wrightii.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 21, p. 193.
Parent taxa Asteraceae > tribe Heliantheae > subtribe Coreopsidinae > Coreopsis > sect. Coreopsis
Sibling taxa
C. auriculata, 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 Calliopsis basalis, C. basalis var. wrightii, C. wrightii
Name authority (A. Dietrich) S. F. Blake: Proc. Amer. Acad. Arts 51: 525. (1916)
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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