• An evergreen dioecious shrub <em>(Simmondsia chinensis)</em> of the southwest United States and northern Mexico, having opposite, leathery leaves and seeds that yield an oil used in cosmetics and as a lubricant.
  • a <xref>shrub</xref> native to the southwestern <xref>United States</xref> and to <xref>Mexico</xref>; the only plant known to store liquid <xref>wax</xref> in its <xref>seed</xref>
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