How to Identify Gumweed?

Leaves and stems:
Edges are toothed, the teeth pointed or more often rounded. Surfaces are hairless and gland-dotted. Uppermost leaves are smaller, more linear and may be toothless or nearly so. Stems are erect to ascending, often heavily branched in the upper plant, hairless, straw-colored to tinged red.

What does gumweed look like?

Sticky gumweed buds look like cups full of resin. ... The buds present as cups of the sticky white stuff, while the flowers sit atop “overlapping rows of backward-curling, sticky involucral bracts,” as Plants of the Rocky Mountains (Kershaw, et. al., 1998) describes them.

When should I pick gumweed?

The plant is harvested when in full bloom and can be used fresh as a poultice or dried for infusions etc[254]. A fluid extract is prepared by placing the freshly gathered leaves and flowers in a small quantity of simmering water for about 15 minutes[213].

Sarah Jenkins

Sarah Jenkins

Senior Technology Editor & AI Specialist

Sarah Jenkins is a veteran tech journalist with over 12 years of experience covering artificial intelligence, mobile innovations, and digital ethics. Her insights have appeared in leading technology publications worldwide.