Research and Conservation in Southern Sonora, Mexico
Karwinskia humboldtiana (cacachila, tullidora)
 A young shrub of Karwinskia humboldtiana near Alamos, Sonora. Photo: Mark Dimmitt |
 Karwinskia humboldtiana near Alamos, Sonora. Photo: Mark Dimmitt |
 Karwinskia humboldtiana near Los Encinos, BCS. Photo: John Wiens |
 Bark of Karwinskia humboldtiana. Photo: T.R. Van Devender |
 The veins on the undersides of the leaves of Karwinskia humboldtiana have a unique black dot-and-dash pattern. Photo: Mark Dimmitt |
 Foliage and fruit of Karwinskia humboldtiana. The fruit contain an insidious toxin. Photo: Mark Dimmitt |