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Mexican buckeye
Ungnadia speciosa flowers.jpg
Mexican Buckeye flowers
Scientific classification

U. speciosa
Binomial name
Ungnadia speciosa
Ungnadia speciosa range map.jpg
Natural range

Ungnadia is a genus of flowering plants in the family Sapindaceae containing one species, Ungnadia speciosa, the Mexican buckeye, a shrub or small tree native to northern Mexico as well as Texas and southern New Mexico in the United States.[2] The name honours David Baron von Ungnad (d. 1600), who first brought the horse chestnut to Vienna.[3][4]

It differs from the buckeyes in the related genus Aesculus in having alternate, pinnate leaves with 5-7 leaflets, but the flowers and nuts are similar. Another similar related genus is the soapberry (genus Sapindus).


  1. ^ "Ungnadia Endl". Germplasm Resources Information Network. United States Department of Agriculture. 2006-03-29. Retrieved 2010-01-19.
  2. ^ a b "Ungnadia speciosa". Germplasm Resources Information Network (GRIN). Agricultural Research Service (ARS), United States Department of Agriculture (USDA). Retrieved 2013-05-14.
  3. ^ Quattrocchi, Umberto (2000). CRC World Dictionary of Plant Names. Vol. 4 R-Z. Taylor & Francis US. p. 2760. ISBN 978-0-8493-2678-3.
  4. ^ Endlicher, Stephan. Enchiridion Botanicum. 1841. page 565

External links[edit]

Media related to Ungnadia at Wikimedia Commons Data related to Ungnadia speciosa at Wikispecies