Gymnosperma glutinosum

(Sprengel) Lessing

Syn. Gen. Compos., 194. 1832.

Common names: Gumhead
Illustrated
Basionym: Selloa glutinosa Sprengel Novi Provent., 36. 1818
Treatment appears in FNA Volume 20. Treatment on page 95.
Revision as of 21:30, 29 July 2020 by imported>Volume Importer
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Leaves mostly 25–50 mm, relatively even in lengths to heads. Involucres 3–3.8 mm. Ray corollas 2–3 mm. Cypselae 1–1.4 mm. 2n = 16.


Phenology: Flowering (Apr–)Jun–Nov(–Dec).
Habitat: Gravelly, sandy, or loamy flats, rocky slopes, crevices and ledges, streambeds, creosote bush to pinyon-juniper and pine-oak-maple
Elevation: (300–)600–2300(–2700) m

Distribution

V20-184-distribution-map.gif

Ariz., N.Mex., Tex., Mexico (Chihuahua), Mexico (Coahuila), Mexico (Nuevo León), Mexico (Tamaulipas), Mexico (San Luis Potosí), Central America (Guatemala)

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.

... more about "Gymnosperma glutinosum"
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 +
(Sprengel) Lessing +
decurrent +
Selloa glutinosa +
compound +  and simple +
linear;narrowly lanceolate oblanceolate or elliptic +
rugulose +  and muricate +
barbellulate +  and barbellate +
Gumhead +
not 2-lipped +  and actinomorphic +
orange-yellow +  and yellow +
beaked +, 2-ribbed +  and 5-ribbed +
white-strigillose +
compressed +, terete +, fusiform +  and columnar +
fertile +  and bisexual +
fertile +  and bisexual +
Ariz. +, N.Mex. +, Tex. +, Mexico (Chihuahua) +, Mexico (Coahuila) +, Mexico (Nuevo León) +, Mexico (Tamaulipas) +, Mexico (San Luis Potosí) +  and Central America (Guatemala) +
(300–)600–2300(–2700) m +
gland-dotted +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Gravelly, sandy, or loamy flats, rocky slopes, crevices and ledges, streambeds, creosote bush to pinyon-juniper and pine-oak-maple +
corymbiform +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
cylindro-turbinate;elliptic-obovoid +
0.3 cm3 mm <br />0.003 m <br /> (0.38 cm3.8 mm <br />0.0038 m <br />) +
2.5 cm25 mm <br />0.025 m <br /> (?) +  and 5 cm50 mm <br />0.05 m <br /> (?) +
reflexing-coiling +
lanceolate +
2-carpellate +
coroniform +
Flowering (Apr–)Jun–Nov(–Dec). +
ovate +  and lanceolate +
Syn. Gen. Compos., +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
bearing subulate enations +, hairy +  and bristly +
concave;usually flat;conic +
exalbuminous +
Illustrated +
lanceolate +  and narrowly oblong-lanceolate +
appendaged +  and truncate +
papillate +  and smooth +
Compositae +
Gymnosperma glutinosum +
Gymnosperma +
species +
tubular-funnelform +
perennial +, biennial +  and annual +
150 cm1,500 mm <br />1.5 m <br /> (200 cm2,000 mm <br />2 m <br />) +