Flora of North America species comparison

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Coreopsis gladiata

coastal plain tickseed, Florida tickseed, sickle tickseed, Texas tickseed
Habit Perennials, 30–70 cm.
Leaves

basal and cauline; usually alternate, sometimes opposite and alternate or all opposite;

petioles 1–10(–15+) cm, not ciliate;

blades elliptic or lanceolate to ± linear, (2–)4–8(–15+) cm × (3–)7–12(–40+) mm, sometimes with 1–2 lateral lobes.
Peduncles

(1–)4–8(–10+) cm.
Ray laminae

yellow, (12–)15–20+ mm.
Disc florets

40–80+;

corollas purplish or purple-tipped, 2.8–4.8 mm.
Phyllaries

lance-ovate to lanceolate, 6–9(–12) mm.
Calyculi

of broadly deltate-ovate to lance-ovate or lance-linear bractlets 2–6+ mm.
Cypselae

± obovate to oblong, 3–4 mm, winged, wings 0.2–0.4+ mm wide, ± pectinate;

pappi of 2 subulate scales 0.5–1+ mm.
Internodes

(± mid stem) (1–)8–12+ cm.
2n

= 26.

Coreopsis gladiata
Phenology Flowering ± year round, mostly Sep–Oct.
Habitat Peaty bogs, swamps, depressions, in pine barrens
Elevation 10–100+ m (0–300+ ft)
Distribution
from FNA
AL; AR; FL; GA; LA; MS; NC; SC; TX; VA
[WildflowerSearch map]
[BONAP county map]
Discussion

As here circumscribed, Coreopsis gladiata includes plants that others (without agreement among themselves) have treated as distinct species and/or varieties: C. falcata (leaves mostly basal and/or proximal, alternate, blades mostly lance-linear to linear, often 1–2 with 1–2 lateral lobes, faces not dotted; outer phyllaries lance-ovate to lance-linear; Ga., N.C., S.C.); C. floridana (leaves mostly basal and/or proximal, alternate, blades mostly lance-linear to linear, not lobed, not dotted; outer phyllaries broadly deltate-ovate; Fla.), C. helianthoides (leaves mostly cauline, alternate, blades mostly elliptic to lanceolate, not lobed, faces not dotted; outer phyllaries lance-ovate to lance-linear; Ala., Fla., Ga., La., Miss., N.C., S.C.), and C. linifolia (leaves basal and cauline or mostly cauline, alternate or opposite or both, blades mostly lance-linear to linear, seldom lobed, faces bearing dark or translucent dots; outer phyllaries lance-ovate to lance-linear; Ala., Fla., Ga., La., Miss., N.C., S.C., Tex., Va.).

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 21, p. 196.
Parent taxa Asteraceae > tribe Heliantheae > subtribe Coreopsidinae > Coreopsis > sect. Eublepharis
Sibling taxa
C. auriculata, C. basalis, C. bigelovii, C. californica, C. calliopsidea, C. delphiniifolia, C. douglasii, C. gigantea, 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 C. falcata, C. floridana, C. gladiata var. linifolia, C. helianthoides, C. linifolia, C. longifolia
Name authority Walter: Fl. Carol., 215. (1788)
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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