coyotillo
Karwinskia humboldtiana (Schult.) Zucc.

Karwinskia humboldtiana, known as coyotillo, is a flowering shrub or small tree in the Rhamnaceae family. It is native to southern and western Texas and much of Mexico. The plant contains toxic compounds such as eleutherin, 7-methoxyeleutherin, chrysophanol, and β-amyrin in its seeds, leaves, and fruits, which can be harmful to humans and livestock.
Description
Karwinskia humboldtiana (Schult.) Zucc. is a member of the Rhamnaceae family and is commonly called coyotillo. It is distributed in southern and western Texas and throughout various regions of Mexico. The plant is toxic, with its seeds and leaves containing quinones like eleutherin and 7-methoxyeleutherin, as well as chrysophanol and β-amyrin in the fruits. These compounds pose a risk to both humans and livestock.
Other common names
coyotillo
Distribution
Global · Mexico Central · Mexico Gulf · Mexico Northeast · Mexico Northwest · Mexico Southeast · Mexico Southwest · Texas · Venezuela
Synonyms
Karwinskia binifloraRhamnus maculataRhamnus humboldtianaRhamnus biniflorusKarwinskia affinis
