Thymophylla aurea var. aurea

Treatment appears in FNA Volume 21. Treatment on page 244.

Plants to 20 cm. Peduncles 10–30 mm. Pappi of 8–10 erose scales 0.3–0.6 mm. 2n = 16.


Phenology: Flowering summer.
Habitat: Swales in grasslands
Elevation: 1500–2000 m

Distribution

V21-604-distribution-map.gif

Colo., Kans., N.Mex., Tex., Mexico (Chihuahua)

Discussion

Selected References

None.

Lower Taxa

None.
puberulent +  and glabrous +
not tailed +, rounded +  and obtuse +
darkened +  and pale +
connate +  and distinct +
subequal +
scarious +
usually ovate +  and lanceolate +
usually deltate +  and lanceolate +
spiciform +, racemiform +, paniculiform +  and corymbiform +
indeterminate +  and determinate +
John L. Strother +
(A. Gray) Greene in N. L. Britton and A. Brown +
decurrent +
Lowellia aurea +
compound +  and simple +
1.5 cm15 mm <br />0.015 m <br /> (4 cm40 mm <br />0.04 m <br />) +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
barbellulate +  and barbellate +
yellow +  and bright-yellow +
3 cm30 mm <br />0.03 m <br /> (?) +
strigillose +  and glabrous +
cylindro-clavate +, obconic +  and obpyramidal +
fertile +  and bisexual +
fertile +  and bisexual +
Colo. +, Kans. +, N.Mex. +, Tex. +  and Mexico (Chihuahua) +
1500–2000 m +
tomentose +, puberulent +, lanate +, floccose +, canescent +, arachnose +  and glabrous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Swales in grasslands +
cymiform +, corymbiform +, discoid +  and radiate +
singly +  and radiant +
indeterminate +
homogamous +  and heterogamous +
each +  and sessile +
0.2 cm2 mm <br />0.002 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
obconic;campanulate +
0.5 cm5 mm <br />0.005 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
sessile +  and petiolate +
deltate +, spatulate +  and linear or filiform +
dentate to pinnatifid or palmatifid +  and entire +
2-carpellate +
persistent +
of 10(-20) distinct scales +  and coroniform +
puberulent +  and glabrous +
1 cm10 mm <br />0.01 m <br /> (3 cm30 mm <br />0.03 m <br />) +
Flowering summer. +
12 +  and 15 +
in N. L. Britton and A. Brown, Ill. Fl. N. U.S. +
bearing subulate enations +, hairy +  and bristly +
pitted +  and smooth +
distinct +
8 +  and 10 +
3-5-aristate +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.06 cm0.6 mm <br />6.0e-4 m <br />) +
exalbuminous +
appendaged +  and truncate +
hirsutulous +  and glabrous +
papillate +
Dyssodia aurea +
Thymophylla aurea var. aurea +
Thymophylla aurea +
variety +
cylindric +
toothed +  and entire +
20 cm200 mm <br />0.2 m <br /> (30 cm300 mm <br />0.3 m <br />) +
puberulent +  and glabrous +
0 cm0 mm <br />0 m <br /> (20 cm200 mm <br />0.2 m <br />) +
1 cm10 mm <br />0.01 m <br /> (5 cm50 mm <br />0.05 m <br />) +