Gutierrezia texana var. glutinosa

(S. Schauer) M. A. Lane

Sida 8: 314. 1980.

Basionym: Hemiachyris glutinosa S. Schauer Linnaea 19: 724. 1847
Synonyms: Gutierrezia glutinosa (S. Schauer) Schultz-Bipontinus
Treatment appears in FNA Volume 20. Treatment on page 91.

Involucres mostly campanulate, (2–) 3.5–4.5 mm diam. Disc-florets 10–48. Cypselae moderately to densely strigoso-sericeous, hairs usually in dense lines, at least partially obscuring faces; pappi of 1 series of distinct scales 0.2–0.5 mm, rarely more reduced. 2n = 8, 16.


Phenology: Flowering Jul–Oct(–Nov).
Habitat: Grasslands and pine-oak-juniper woodlands
Elevation: (5–)500–2200 m

Distribution

V20-174-distribution-map.gif

N.Mex., Tex., Mexico (Coahuila), Mexico (Guanajuato), Mexico (Hidalgo), Mexico (Nuevo León), Mexico (Querétaro), Mexico (San Luis Potosí), Mexico (Tamaulipas)

Discussion

Selected References

None.

Lower Taxa

None.

"[" is not declared as a valid unit of measurement for this property."]" is not declared as a valid unit of measurement for this property.

hirtellous +, hispidulous +  and glabrous +
not tailed +, rounded +  and obtuse +
distinct +
subequal +
scarious +
usually triangular +  and linear +
usually deltate +  and lanceolate +
spiciform +, racemiform +, paniculiform +  and corymbiform +
indeterminate +  and determinate +
Guy L. Nesom +
(S. Schauer) M. A. Lane +
decurrent +
white-indurate +
Hemiachyris glutinosa +
compound +  and simple +
linear;lanceolate or spatulate +
rugulose +  and muricate +
barbellulate +  and barbellate +
3-nerved +  and 1-nerved +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
not 2-lipped +  and actinomorphic +
0.3 cm3 mm <br />0.003 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
beaked +, 2-ribbed +  and 5-ribbed +
strigoso-sericeous +
not compressed +, cylindric +  and clavate +
fertile +  and bisexual +
fertile +  and bisexual +
N.Mex. +, Tex. +, Mexico (Coahuila) +, Mexico (Guanajuato) +, Mexico (Hidalgo) +, Mexico (Nuevo León) +, Mexico (Querétaro) +, Mexico (San Luis Potosí) +  and Mexico (Tamaulipas) +
(5–)500–2200 m +
resinous +
gland-dotted +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Grasslands and pine-oak-juniper woodlands +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
campanulate +
petiolate +  and sessile +
cauline +  and basal +
short-deltate +
2-carpellate +
erose-margined +
persistent +
of 5-10 whitish +  and coroniform +
reduced +
Flowering Jul–Oct(–Nov). +
3-nerved +  and 1-nerved +
ovate +  and lanceolate +
bearing subulate enations +, hairy +  and bristly +
distinct +
spreading-erect +
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
oblong +  and ovate or obovate +
exalbuminous +
0.01 cm0.1 mm <br />1.0e-4 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
erect +  and ascending +
appendaged +  and truncate +
papillate +  and smooth +
Gutierrezia glutinosa +
Gutierrezia texana var. glutinosa +
Gutierrezia texana +
variety +
80 cm800 mm <br />0.8 m <br /> (100 cm1,000 mm <br />1 m <br />) +
10 cm100 mm <br />0.1 m <br /> (80 cm800 mm <br />0.8 m <br />) +