Zinnia grandiflora
Nutt.
by Angelina Robinson,
Native Plants of Arizona 2007
Common names:
Rocky Mountain Zinnia (1)
Family:
Asteraceae (1)
Synonymy: Zinnia
grandiflora
Nutt. (1)
Etymology:
Zinnia is named after the botanist Johann Gottfried Zinn
(1727-1759); grandi means large, powerful, full-grown, showy, big;
flora refers to flower.
Identification
Growth form:
Subshrub, perennial herb (1).
Roots:
Stem:
Greenish many
branched (7).
Leaves:
Grayish green, linear, very narrow, up to 1 inch, strigose to scabrous (3,
7).
Inflorescence/flowers:
Heads 1.5 inches wide at the terminal end of the branch; with 3 to 6
bright yellow ray flowers, and numerous red disk flowers in center, (3).
Fruit:
Achenes
brown, 1.5-3 mm, glabrous (4).
Similar
species:
Ecology
Life history:
Herbaceous perennial, forms clumps up from 4 to 6 inches tall, 12 to 20
inches wide (4).
Native/introduced:
Native to the
Southwestern United States (1).
Photosynthetic
pathway:
Phenology:
Flowers May to October (3).
Distribution:
4,000 to 6,500 feet in elevation (3) in grasslands and pinyon-juniper
woodlands; found throughout Northern Arizona. Also in New Mexico, Texas,
Oklahoma, Kansas, and Colorado (1).
Uses
Medicinal uses include a hot
infusion of the plant taken internally for kidney trouble or externally
for excessive sweating. The plant is also used for nose and throat
problems, stomach ache, and heartburn (5).
References
1.
USDA, NRCS. 2007. The PLANTS Database (http://plants.usda.gov,
12 October2007).
National Plant Data Center, Baton Rouge, LA 70874-4490 USA.
2.
Gledhill, D. 2002. The Names of Plants, 3rd Edition. Cambridge
University Press. Cambridge, England.
3. Epple, A. O.
1995. A Field Guide to the Plants of Arizona. Falcon Publishing.
Helena, Montana.
4. Flora
of North America: www.eFloras.com. FNA Volume 5. (http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=250060386
).
5.
Moerman, D. 2003. Native American Ethnobotany Database (http://herb.umd.umich.edu/).
University of Michigan, Dearborn, MI 48198
USA.