Narrowleaf Gumweed

Narrowleaf Gumweed, Grindelia lanceolata

Known as Narrowleaf Gumweed, Spiny-toothed Gumweed, or Fall Gumweed, it can be found blooming between the months of June and October. This native biennial is often found in limestone or rocky prairies along the eastern and southern portions of the United States. They can grow up to 1 m (3 ft) with a stem clad in narrow, lanceolate leaves with bristled teeth along the margins. The bracts of gumweed are slightly sticky hence its common name.