[skwaw-boo sh]
  1. a rank-smelling, sprawling shrub, Rhus trilobata malacophylla, of the cashew family, native to California, having spikes of greenish flowers.

Origin of squawbush

1825–35, Americanism; squaw + bush1, so called from its use by the Indians
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018