Gaillardia aristata

Pursh

Fl. Amer. Sept. 2: 573. 1813.

IllustratedEndemic
Treatment appears in FNA Volume 21. Treatment on page 424. Mentioned on page 422, 425.

Perennials (sometimes flowering first-year), 20–80 cm. Leaves basal and cauline or cauline; petiolar bases 5–15 cm; blades oblanceolate to lanceolate, 5–15 cm × 5–30 (–40) mm, margins raggedly pinnately lobed to toothed or entire, faces scabrellous and/or sparsely to densely villous (hairs jointed). Peduncles (5–) 20–35+ cm. Phyllaries 24–40+ ovate to lance-attenuate, 10–15+ mm, ciliate with jointed hairs (also strigose and glanddotted). Receptacular setae 2–6 mm. Ray-florets (6–) 12–18+; corollas yellow or yellow/purple, rarely tubular and 5-lobed, usually distally laminate and 3-lobed, 15–35+ mm. Disc-florets 60–120+; corollas usually purple or purple-tipped, sometimes yellow, tubes 0.5–1.5 mm, throats cylindric to urceolate, 4.5–5.5 mm, lobes lanceovate to triangular-attenuate, 1–2 mm, jointed hairs 0.3+ mm. Cypselae clavate (outer) to obpyramidal (inner), 2.5–6 mm, hairs 1.5–2.5 mm, inserted at bases; pappi of 8 ovate to lanceolate, aristate scales 5–6 mm (scarious bases 1.5–3 × 0.4–1.5 mm). 2n = 34, 68.


Phenology: Flowering May–Sep.
Habitat: Open places, usually among aspens or pines, or with sagebrush, often dry, sandy benches or bars
Elevation: 200–2900 m

Distribution

V21-1059-distribution-map.gif

Alta., B.C., Man., N.W.T., Sask., Yukon, Colo., Conn., Idaho, Mass., Minn., Mont., N.H., N.Dak., Oreg., S.Dak., Utah, Wash., Wyo.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Gaillardia aristata"
not tailed +, rounded +  and obtuse +
connate +  and distinct +
subequal +
scarious +
usually ovate +  and lanceolate +
usually deltate +  and lanceolate +
spiciform +, racemiform +, paniculiform +  and corymbiform +
indeterminate +  and determinate +
John L. Strother +
decurrent +
compound +  and simple +
3 cm30 mm <br />0.03 m <br /> (4 cm40 mm <br />0.04 m <br />) +
5 cm50 mm <br />0.05 m <br /> (15 cm150 mm <br />0.15 m <br />) +
oblanceolate;lanceolate +
5mm;30mm +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
barbellulate +  and barbellate +
purple-tipped +  and laminate +
yellow +  and purple +
3-lobed (?) +, 5-lobed (?) +  and Tubular (?) +
1.5 cm15 mm <br />0.015 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
clavate +  and obpyramidal +
fertile +  and bisexual +
fertile +  and bisexual +
Alta. +, B.C. +, Man. +, N.W.T. +, Sask. +, Yukon +, Colo. +, Conn. +, Idaho +, Mass. +, Minn. +, Mont. +, N.H. +, N.Dak. +, Oreg. +, S.Dak. +, Utah +, Wash. +  and Wyo. +
200–2900 m +
scabrellous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Open places, usually among aspens or pines, or with sagebrush, often dry, sandy benches or bars +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
discoid +  and radiate +
indeterminate +
homogamous +  and heterogamous +
each +  and sessile +
0.9 cm9 mm <br />0.009 m <br /> (2 cm20 mm <br />0.02 m <br />) +
hemispheric;nearly rotate +
sessile +  and petiolate +
cauline +  and basal +
lanceovate +  and triangular-attenuate +
dentate to pinnatifid or palmatifid +  and entire +
raggedly pinnately lobed +  and toothed or entire +
connate +  and distinct +
ovate +, oblong +, oblanceolate +, linear +, lanceolate +  and elliptic +
unequal +  and subequal +
2-carpellate +
persistent +
5 cm50 mm <br />0.05 m <br /> (20 cm200 mm <br />0.2 m <br />) +
20 cm200 mm <br />0.2 m <br /> (35 cm350 mm <br />0.35 m <br />) +
5 cm50 mm <br />0.05 m <br /> (15 cm150 mm <br />0.15 m <br />) +
Flowering May–Sep. +
24 +  and 40 +
1 cm10 mm <br />0.01 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
Fl. Amer. Sept. +
styliferous +, pistillate +  and neuter +
sterile +  and fertile +
bearing subulate enations +, hairy +  and bristly +
pitted +  and smooth +
convex;hemispheric +
0.2 cm2 mm <br />0.002 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
aristate +, ovate +  and lanceolate +
0.5 cm5 mm <br />0.005 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
exalbuminous +
Illustrated +  and Endemic +
appendaged +  and truncate +
hirsutulous +  and glabrous +
papillate +
Compositae +
Gaillardia aristata +
Gaillardia +
species +
cylindric +  and urceolate +
0.45 cm4.5 mm <br />0.0045 m <br /> (0.55 cm5.5 mm <br />0.0055 m <br />) +
much shorter than ampliate +
campanulate +  and cylindric or urceolate +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
entire +  and toothed +
20 cm200 mm <br />0.2 m <br /> (80 cm800 mm <br />0.8 m <br />) +