Wiggins & R.C: Rollins, 1943
Baja Norte ; Mexico, Arizona; U.S.A.
||Mix - Grit
||White - Pale
Haat, Leatherplant, Matacora
This member of the Euphorbiaceae family was
given this name by Ira Loren Wiggins and Reed Clark Rollins in 1943. It is found in
dry areas of the Sonora Desert and Baja Norte in Mexico and Arizona in
North America, growing in a well
drained soil with some water and some to lots of sun. The swollen
root can grow to twelve centimetres or more, the entire bush can
reach two metres in height. The flowers are white to pale yellow.
The genera name from the Greek
words ἰατρός; iatros, meaning 'physician', and τροφή;
trophe meaning 'nutrition', as to medicinal uses. The species name means