- Karwinskia humboldtiana
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Karwinskia humboldtiana Scientific classification Kingdom: Plantae (unranked): Angiosperms (unranked): Eudicots (unranked): Rosids Order: Rosales Family: Rhamnaceae Genus: Karwinskia Species: K. humboldtiana Binomial name Karwinskia humboldtiana
(Schult.) Zucc.Synonyms Rhamnus humboldtiana Schult.[1]
Karwinskia humboldtiana, commonly known as Coyotillio or Humboldt Coyotillo, is a species of flowering shrub or small tree in the buckthorn family, Rhamnaceae. It is native southern and western Texas in the United States[2] as well as much of Mexico.[1] The seeds and leaves of this plant contain the quinones eleutherin and 7-methoxyeleutherin[3] and chrysophanol and β-amyrin in the fruits[4] that are toxic to humans and livestock.[5]
References
- ^ a b "Karwinskia humboldtiana (Schult.) Zucc.". Germplasm Resources Information Network. United States Department of Agriculture. 2007-08-30. http://www.ars-grin.gov/cgi-bin/npgs/html/taxon.pl?21129. Retrieved 2009-12-02.
- ^ "Coyotillo, Humboldt Coyotillo, Tullidora, Capulincillo, Capulincillo Cimmaron, Capulin, Palo Negrito, Margarita, Cacachila, China, Frutillo Negrito, Cochila, Margarita del Cero (Karwinskia humboldtiana)". Texas Native Shrubs. Texas A&M University. http://aggie-horticulture.tamu.edu/ornamentals/nativeshrubs/karwinskiahumbold.htm. Retrieved 2009-09-23.
- ^ Antimicrobial agents from higher plants: two dimethylbenzisochromans from Karwinskia humboldtiana. Lester A. Mitscher, Sitaraghav R. Gollapudi, David S. Oburn and Steven Drake, Phytochemistry, Volume 24, Issue 8, 1985, Pages 1681-1683, doi:10.1016/S0031-9422(00)82534-0
- ^ Chrysophanol and β-amyrin in the fruits of Karwinskia humboldtiana. Xorge Alejandro Domínguez and Leticia Garza, Phytochemistry, Volume 11, Issue 3, March 1972, Page 1186, doi:10.1016/S0031-9422(00)88492-7
- ^ "Coyotillo". Texas AgriLife Research and Extension at Uvalde. Texas A&M University System. 2000. http://uvalde.tamu.edu/herbarium/kahu.htm. Retrieved 2009-09-23.
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