Fraxinus uhdei
{{Short description|Species of flowering plant}}
{{Speciesbox
| image = Urapán (Fraxinus uhdei) (14355614195).jpg
| status = LC
| status_system = IUCN3.1
| genus = Fraxinus
| parent = Fraxinus sect. Melioides
| species = uhdei
| authority = ({{interlanguage link|Theodor Wenzig|lt=Wenz.|es}}) Lingelsh
| synonyms_ref = {{r|powo}}
| synonyms = {{Species list
|Fraxinus americana var. uhdei |Wenz.
|Fraxinus cavekiana |Standl. & Steyerm.
|Fraxinus chiapensis |Lundell
|Fraxinus hondurensis |Standl.
|Fraxinus ovalifolia |(Wenz.) Lingelsh.
|Fraxinus uhdei var. pseudoperiptera |Lingelsh.
|Fraxinus uhdei var. typica |Lingelsh.
}}
}}
Fraxinus uhdei, commonly known as tropical ash or Shamel ash, is a species of tree native to Mexico and Central America.{{r|cabi}} It is commonly planted as a street tree in Mexico and the southwestern United States. It has also been planted and spread from cultivation in Hawaii, where it is now considered an invasive species.{{r|cabi}}
Like other species in the section Melioides, Fraxinus uhdei is dioecious, with male and female flowers produced on separate individuals.{{cite journal|doi=10.1007/s00606-008-0005-3|title=Systematics of Fraxinus (Oleaceae) and evolution of dioecy|year=2008|last1=Wallander|first1=Eva|journal=Plant Systematics and Evolution|volume=273|issue=1–2|pages=25–49|s2cid=24152294}}
Taxonomy
The tropical ash was originally described as a variety of Fraxinus americana (white ash) by {{interlanguage link|Theodor Wenzig|es}} in 1883{{r|ipni105796-2}} and was separated as a different species in 1907 by Alexander von Lingelsheim.{{r|ipni105922-2}} The specific epithet uhdei refers to Carl Uhde, a German plant collector who explored Mexico in the 1840s.{{r|brace2005}}
Fraxinus uhdei is locally known as fresno blanco in Spanish; other English vernacular names include Hawaiian ash and Mexican ash.{{r|cabi}} The name Shamel ash refers to Archie Shamel, who introduced the trees to California in the 1920s.{{r|brace2005}} It is known as urapan in Colombia, where it was introduced in the 1950s.{{r|filgueira04}}
Ecology
A dieback caused by a phytoplasma was recorded in Colombia and Ecuador in 2004.{{r|filgueira04}}
References
{{Reflist|refs=
Bracewell R.N. 2005. Trees of Stanford and environs. Stanford, CA, USA: Stanford Historical Society
{{cite web |title=Fraxinus americana var. uhdei Wenz. |url=http://ipni.org/n/105796-2 |website=International Plant Names Index |publisher=Royal Botanic Gardens, Kew, Harvard University Herbaria & Libraries, and Australian National Botanic Gardens |access-date=3 January 2021}}
{{cite web |title=Fraxinus uhdei Lingelsh. |url=http://ipni.org/n/105922-2 |website=International Plant Names Index |publisher=Royal Botanic Gardens, Kew, Harvard University Herbaria & Libraries, and Australian National Botanic Gardens |access-date=3 January 2021}}
{{cite web |title=Fraxinus uhdei (Wenz.) Lingelsh. |url=https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:105922-2 |website=Plants of the World Online |publisher=Royal Botanic Gardens, Kew |access-date=3 January 2021}}
}}
{{Taxonbar|from=Q970638}}
Category:Flora of Northern America
Category:Trees of Central America
Category:Trees of Northern America
Category:Flora of the Central American pine–oak forests
{{Oleaceae-stub}}