Gutierrezia texana

Gutierrezia texana
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Gutierrezia
Species:
G. texana
Binomial name
Gutierrezia texana
(DC.) Torr. & A. Gray 1842
Synonyms[1]
Synonymy
  • Brachyris microcephala Hook. 1837 not DC. 1836
  • Hemiachyris texana DC. 1836
  • Xanthocephalum texanum (DC.) Shinners
  • Gutierrezia berlandieri A.Gray, syn of var. glutinosa
  • Gutierrezia glutinosa (S.Schauer) Sch.Bip., syn of var. glutinosa
  • Hemiachyris glutinosa S.Schauer, syn of var. glutinosa
  • Xanthocephalum sphaerocephalum, syn of var. glutinosa

Gutierrezia texana is a North American species of flowering plant in the family Asteraceae known by the common name Texas snakeweed. It is native to the south-central United States (New Mexico, Texas, Oklahoma, southwestern Arkansas, northwestern Louisiana) and northern Mexico as far south as Guanajuato and Hidalgo.[2]

Gutierrezia texana is an annual, hairless herb up to 100 cm (39 in) in height. The plant produces numerous flower heads in loose arrays. Each head usually has 5-36 ray flowers (though sometimes no rays) plus 7–48 disc flowers.[3]

Varieties[1][3]
  • Gutierrezia texana var. glutinosa (S.Schauer) M.A.Lane
  • Gutierrezia texana var. texana

References

  1. ^ a b The Plant List, Gutierrezia texana (DC.) Torr. & A. Gray
  2. ^ Biota of North America Program 2014 county distribution map
  3. ^ a b Flora of North America, Gutierrezia texana (de Candolle) Torrey & A. Gray, 1842. Texas snakeweed


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