deerweed

or deer weed

[deer-weed]
noun
  1. any of several shrubby Californian plants belonging to the genus Lotus, of the legume family, especially L. scoparious, having pinnate leaves and clusters of yellow flowers.

Origin of deerweed

An Americanism dating back to 1910–15; deer + weed1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018