rayless goldenrod
noun
: a shrubby to herbaceous composite plant (Isocoma pluriflora synonym Isocoma wrightii) especially of open saline ground from Texas to Arizona and northern Mexico that lacks ray flowers and causes trembles in cattle
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“Rayless goldenrod.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rayless%20goldenrod. Accessed 30 Jun. 2025.
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rayless goldenrod
noun
ray·less goldenrod
ˈrā-ləs- 
: a shrubby or herbaceous composite plant (Haplopappus heterophyllus synonym Isocoma wrightii) that occurs especially on open saline ground from Texas to Arizona and northern Mexico and causes trembles in cattle
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