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firewheel, firewheel Indian blanket, Indian blanket, indianblanketflower, rosering blanket-flower, sundance

Habit Annuals (sometimes persisting), 5–35(–60+) cm.
Leaves

cauline;

petiolar bases 0–3+ cm;

blades linear, oblong, or spatulate, 1–5(–12) cm × 4–12(–35) mm, (bases of distal ± clasping) margins usually entire, sometimes toothed or lobed, faces closely strigillose or hirtellous to ± villous (hairs jointed).

Peduncles

3–10(–20) cm.

Ray florets

usually 8–14, rarely 0;

corollas usually reddish to purplish proximally, yellow to orange distally, rarely yellow, reddish, or purplish throughout, 13–30+ mm.

Disc florets

40–100+;

corollas yellowish to purple or brown, often bicolored, tubes 0.8–1.2 mm, throats campanulate to urceolate, 3–4 mm, lobes deltate to ovate, often attenuate, 1–3+ mm, jointed hairs 0.3+ mm.

Phyllaries

18–28+, narrowly triangular- to linear-attenuate, 6–14+ mm, usually ciliate with jointed hairs.

Cypselae

obpyramidal, 2–2.5 mm, hairs 1.5–2 mm, inserted at bases and on angles;

pappi of 7–8 deltate to lanceolate, aristate scales 4–7 mm (scarious bases 1–2.5 × 0.7–1.3 mm).

Receptacular

setae 1.5–3 mm.

2n

= 34.

Gaillardia pulchella

Phenology Flowering Jan–Dec, mostly May–Aug.
Habitat Sandy or calcareous soils, often disturbed places, mostly in grasslands or open places
Elevation 0–1800 m (0–5900 ft)
Distribution
from FNA
AL; AZ; CO; CT; FL; GA; KS; ME; MO; MS; NC; NE; NH; NM; OK; SC; SD; TX; VT; Mexico (Chihuahua, Coahuila, Nuevo León, Sonora, and Tamaulipas)
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Discussion

Spring-flowering plants with most of their proximal leaves pinnately lobed or coarsely toothed, mainly found in south-central Texas, have been treated as var. australis (B. L. Turner and M. Whalen 1975). Plants from near or on beaches of the Atlantic and the Gulf of Mexico, usually with somewhat fleshy leaves and often persisting for more than one year, have been distinguished as var. picta.

Cultivars of Gaillardia pulchella (or of hybrids between G. pulchella and G. aristata) are used horticulturally.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 21, p. 425.
Parent taxa Asteraceae > tribe Heliantheae > subtribe Gaillardiinae > Gaillardia
Sibling taxa
G. aestivalis, G. amblyodon, G. aristata, G. arizonica, G. coahuilensis, G. multiceps, G. parryi, G. pinnatifida, G. spathulata, G. suavis
Synonyms G. drummondii, G. neomexicana, G. picta, G. pulchella var. australis, G. pulchella var. picta
Name authority Fougeroux: Hist. Acad. Roy. Sci. Mém. Math. Phys. (Paris, 4to) 1786: 5, fig. 1. (1788)
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