Grindelia columbiana

Columbia River Gumweed

Erect, shiny, usually branching stems. Leaves to 4 in. long, narrow, wider toward rounded tip, entire or with few small teeth; upper leaves clasping stem. Flower heads about 1 in. across, disk flowers with no rays. Slightly gummy bracts at base are recurved. Grows in vernal ponds, along streams, in sandy soils, along river shores.

  • Rarity: Locally Common
  • Flowering Time: All Summer
  • Life Cycle: Biennial
  • Height: 12--30 inches
  • Habitat: Vernal Wet, Moist Riverbanks
  • Found In: East Gorge
  • Native: Yes