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coyotillo
shrub
Also known as: Karwinskia humboldtiana
coyotillo, (Karwinskia humboldtiana), woody shrub of the buckthorn family (Rhamnaceae) that is native to the southwestern United States and northern Mexico. It grows about 1β7 m (3β23 feet) tall and has opposite, oval leaves 2.5β7.5 cm (1β3 inches) long. The small, greenish flowers, which grow in clusters, are followed by brownish black oval berries about 1 cm in diameter. The fruit is poisonous to humans and to livestock.

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