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Grindelia oxylepis

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Grindelia oxylepis
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Grindelia
Species:
G. oxylepis
Binomial name
Grindelia oxylepis
Greene 1899

Grindelia oxylepis, the Mexican gumweed,[1] is a North American species of flowering plants in the family Asteraceae. It is native to northern Mexico, in the States of Chihuahua, Coahuila, Durango, San Luis Potosí, and Zacatecas. The natural range barely crosses the Río Grande into the United States, with a few populations in western Texas and southern New Mexico[2][3]

Grindelia oxylepis grows in moist valleys and fields. It is an annual or biennial herb up to 55 cm (22 in) tall. The plant usually produces numerous flower heads in open, branching arrays. Each head has 20-30 ray flowers, surrounding a large number of tiny disc flowers.[4]

References

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  1. ^ USDA, NRCS (n.d.). "​Grindelia oxylepis​". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 18 July 2015.
  2. ^ Biota of North America Program 2014 county distribution map
  3. ^ Nesom, G.L. 1990. Studies in the systematics of Mexican and Texan Grindelia Asteraceae: Astereae. Phytologia 68(4): 303–332 distribution map on page 307
  4. ^ Flora of North America, Grindelia oxylepis Greene, 1899.
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