Gymnosperma glutinosum
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.
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
Ariz., N.Mex., Tex., Mexico (Chihuahua, Coahuila, Nuevo León, Tamaulipas, San Luis Potosí), Central America (Guatemala).
Discussion
Selected References
None.
Lower Taxa
None.