Thymophylla tenuiloba var. texana

(Cory) Strother

Sida 11: 378. 1986.

Basionym: Dyssodia texana Cory Rhodora 49: 162. 1947
Synonyms: Dyssodia tenuiloba var. texana (Cory) Strother
Treatment appears in FNA Volume 21. Treatment on page 244. Mentioned on page 243.

Leaves 7–15-lobed. Pappi of 5–10 lanceolate to muticous scales 0.5–1.2 mm, all erose or 1–3, 1-aristate. 2n = 16.


Phenology: Flowering spring and fall.
Habitat: Limestone outcrops and derived soils in grasslands
Elevation: 800–900 m

Distribution

V21-600-distribution-map.gif

Tex., Mexico (Coahuila), Mexico (Nuevo León)

Discussion

Selected References

None.

Lower Taxa

None.
hirtellous +  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 +
(Cory) Strother +
decurrent +
Dyssodia texana +
compound +  and simple +
1.2 cm12 mm <br />0.012 m <br /> (2.8 cm28 mm <br />0.028 m <br />) +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
deltate;subulate +
barbellulate +  and barbellate +
yellow +  and yellow-orange +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
strigillose +  and glabrous +
cylindro-clavate +, obconic +  and obpyramidal +
fertile +  and bisexual +
fertile +  and bisexual +
Tex. +, Mexico (Coahuila) +  and Mexico (Nuevo León) +
800–900 m +
tomentose +, puberulent +, lanate +, floccose +, canescent +, arachnose +  and glabrous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Limestone outcrops and derived soils 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 />) +
0.5 cm5 mm <br />0.005 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
1.5mm;3mm +
sessile +  and petiolate +
7-15-lobed +
linear +  and filiform +
dentate to pinnatifid or palmatifid +  and entire +
0 +  and 1/5 +
2-carpellate +
persistent +
1 +  and 3 +
1-aristate +
hirtellous +  and glabrous +
3 cm30 mm <br />0.03 m <br /> (8 cm80 mm <br />0.08 m <br />) +
Flowering spring and fall. +
12 +  and 22 +
bearing subulate enations +, hairy +  and bristly +
pitted +  and smooth +
distinct +
5 +  and 10 +
lanceolate +  and muticous +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.12 cm1.2 mm <br />0.0012 m <br />) +
exalbuminous +
decumbent +  and erect +
appendaged +  and truncate +
hirsutulous +  and glabrous +
papillate +
Dyssodia tenuiloba var. texana +
Thymophylla tenuiloba var. texana +
Thymophylla tenuiloba +
variety +
cylindric +
toothed +  and entire +
hirtellous +  and glabrous +
0 cm0 mm <br />0 m <br /> (30 cm300 mm <br />0.3 m <br />) +
1 cm10 mm <br />0.01 m <br /> (5 cm50 mm <br />0.05 m <br />) +
shrub +  and subshrub +