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Fraxinus papillosa
Fraxinus papillosa Lingelsh.
Chihuahuan Ash, Chihuahua Ash
Oleaceae (Olive Family)
Synonym(s):
USDA Symbol: FRPA4
USDA Native Status: L48 (N)
Small tree with leaflets whitish beneath.
Chihuahua Ash extends northward across the Mexican border into several mountainous areas and may be seen in Coronado National Forest in southeastern Arizona. It is easily recognized by the whitish lower surfaces of the leaflets. Under a microscope, the lower surfaces of the leaves appear as a solid mass of whitish beads, which are the minute projections or papillae of each epidermal cell. The Latin species name refers to this characteristic, present also in Texas Ash (Fraxinus albicans) and White Ash (Fraxinus americana), two related eastern trees. Apparently no botanical description of the flowers of this local species has been published.
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Plant Characteristics
Duration: PerennialHabit: Tree
Fruit Type: Samara
Size Notes: Up to about 20 feet tall.
Bloom Information
Bloom Color: GreenBloom Time: Mar , Apr , May
Distribution
USA: AZ , NMNative Distribution: SW. New Mexico, SE. Arizona, and N. Mexico; at 5000-7000' (1524-2134 m).
Native Habitat: Moist soils of canyons in mountains; in oak woodland.
Bibliography
Bibref 298 - Field Guide to Texas Trees (1999) Simpson, B.J.Search More Titles in Bibliography
Web Reference
Webref 82 - Native Trees of Texas (2020) Texas A&M AgriLifeWebref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter
Additional resources
USDA: Find Fraxinus papillosa in USDA PlantsFNA: Find Fraxinus papillosa in the Flora of North America (if available)
Google: Search Google for Fraxinus papillosa
Metadata
Record Modified: 2023-04-19Research By: TWC Staff