Desert plants
To reduce water loss, many desert plants have tiny leaves or no leaves at all. The leaves of ocotillo (Fouquieria splendens), shown here in the Sonora Desert near Gila Bend, Arizona, appear only after rainfall and then are shed.
Source
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"OpenStax College, Terrestrial Biomes. October 17, 2013."
http://cnx.org/content/m44858/latest/Figure_44_03_04.jpg
OpenStax CNX
CC BY 3.0.
