Ungnadia speciosa

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Standard Cyclopedia of Horticulture

Ungnadia speciosa, Endl. Mexican Buckeye. Commonly a slender deciduous shrub, 5-10 ft. high or sometimes a small tree: wood brittle: lvs. alternate, odd-pinnate; lfts. 5-7, ovate-lanceolate, acuminate. Common in S. W. Texas; winter-kills in N. Texas at a temperature of zero. S.S. 2:73. F.S. 10:1059. Gn. 19, p. 309. H.F. II. 7:231.—Intro. into Ga. at one period.

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Mexican Buckeye
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Mexican Buckeye flowers
Mexican Buckeye flowers
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Class: Magnoliopsida
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Order: Sapindales
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Family: Sapindaceae
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Genus: Ungnadia
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Species: U. speciosa
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Binomial name
Ungnadia speciosa
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Type Species

The Mexican Buckeye Ungnadia speciosa is a shrub or small tree native to northeastern Mexico and adjacent western Texas and southern New Mexico in the USA. It is the only species in the genus Ungnadia.

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 Sapindus.


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