Exhibit Item 40
Jatropha macrorhiza
Ragged nettlespurge
Illustrator: Lucretia B. Hamilton
Pen and Ink
Plants that Poison, 1979
From the Collection of the
University of Arizona Herbarium
A geophyte, having an underground tuber, the large palm-shaped leaves emerge with the summer rains.
Exhibit Item 41
Juglans major
Arizona Walnut, Nogal
Illustrator: Lucretia B. Hamilton
Pen and Ink
Trees of Sonora, Mexico, 2001
From the Collection of the
University of Arizona Herbarium
One of the common names for this plant refers to Nogales, Sonora.
