Zinnia grandiflora

Zinnia grandiflora is a species of flowering plant in the aster family known by the common names Rocky Mountains zinnia and plains zinnia.[2] It is native to the southwestern and south-central United States (Kansas, Oklahoma, Texas, Colorado, New Mexico, Arizona)[3] and northern Mexico (Chihuahua, Coahuila, Sonora, Tamaulipas, Nuevo León, Zacatecas).[2][4]

Zinnia grandiflora
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Zinnia
Species:
Z. grandiflora
Binomial name
Zinnia grandiflora
Nutt. 1840
Synonyms[1]
  • Crassina grandiflora (Nutt.) Kuntze

Zinnia grandiflora is a small flat-topped or rounded subshrub growing up to 22 centimeters (8.8 inches) tall with many slender, branching stems. The oppositely arranged leaves are linear and 1 to 3 centimeters (0.4–1.2 inches) long. The herbage is covered in short, rough hairs. The flower head has 3 to 6 bright yellow ray florets each between 1 and 2 centimeters (0.4–0.8 inches) in length. At the center is a cluster of several tubular disc florets. It grows on plains and foothills and other dry habitat.[2]

Uses

This plant is used by several Native American groups, including the Zuni and Navajo, for medicinal and ceremonial purposes.[5]

Among the Zuni people, this plant is applied in a poultice to bruises, cold infusion of blossoms used as an eyewash, and smoke from powdered plant inhaled in sweatbath for fever.[6]

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References
  1. The Plant List, Zinnia grandiflora Nutt.
  2. Flora of North America, Zinnia grandiflora Nuttall, 1840. Plains or Rocky Mountain zinnia
  3. Biota of North America Program 2014 county distribution map
  4. photo of herbarium specimen collected in Nuevo León in 1997
  5. Ethnobotany
  6. Stevenson, Matilda Coxe 1915 Ethnobotany of the Zuni Indians. SI-BAE Annual Report #30 (p. 45)


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