Vascular Plants of the Gila Wilderness
Presented in Association with the
Western New Mexico University Department
of Natural Sciences
Zinnia grandiflora Nuttall
(Wild Zinnia, Plains Zinnia)
Crassina grandiflora (Nuttall) Kuntze
Zinnia grandiflora is a small herb with a few ovate yellow ray flowers and a columnar
orange disc raised above the ray flowers. The leaves are gray-green and linear. Zinnia
grandiflora is found in dry meadows and hillsides in full sunlight. The disc achenes are slightly ribbed, and the ray achenes are angled. There is no pappus.
Please click on an image for a larger file.
Zinnia grandiflora, photo Russ Kleinman, Burro Mtns., Hoodoo Cyn., Aug. 12, 2008
Zinnia grandiflora, macro of disc achene (bottom) and ray achene (top), photo Russ Kleinman, Ridge Road at the Grant County/Silver City airport, October 8, 2009
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