gumweed

[ guhm-weed ]
/ ˈgʌmˌwid /

noun

any of various New World composite plants of the genus Grindelia, having yellow flower heads and covered with a viscid secretion.

Origin of gumweed

Also called gum plant.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019