Exhibit Item 36
Sapium biloculare
Mexican jumping bean, Yerba-de-fleche
Illustrator: Lucretia B. Hamilton
Pen and Ink
Plants That Poison, 1979
From the Collection of the
University of Arizona Herbarium
A woody shrub from hot southwestern Arizona into Sonora and Baja California Sur. As the plant is a euphorbia with toxic sap, the wood has been used to stupefy fish and as an arrow tip poison.
Exhibit Item 37
Erythrina flabelliformis
Coral bean
Illustrator: Lucretia B. Hamilton
Pen and Ink
Plants That Poison, 1979
Trees of Sonora, Mexico, 2001
From the Collection of the
University of Arizona Herbarium
At the north end of its range in southern Arizona, this woody legume is shrubby. Further south in Sonora it is tree like. The long red tubular flowers are hummingbird pollinated.
