[Tarweeds and Tarplants: The Genus Madia in the Cascade Mountains of Oregon and Washington]

Common Tarweed, Grassy Tarplant, Grassy Tarweed, Gumweed, Gum-weed, Slender Tarweed

Madia gracilis

Synonyms: Madia gracilis ssp. gracilis, Madia dissitiflora

Grassy Tarweed, Slender Tarweed, Common Tarweed, Grassy Tarplant: Madia gracilis - Grassy Tarweed, Slender Tarweed, Common Tarweed, Grassy Tarplant: Madia gracilis

Slender tarweed as seen in a bald atop the Camp Creek Cliffs, Cowlitz Valley Ranger District, Gifford Pinchot National Forest...........June 29, 2013.

Flower head of Slender Tarweed, Common Tarweed, Gum-weed: Madia gracilis

The photo above shows an above view of a flower head of slender tarweed. Notice the smal number of disk flowers as well as the tri-lobed ray flowers. The photos on this page were all taken at a rock quarry at about 4100' atop the ridge dividing the Dairy Creek and Cougar Creek drainages at the southeastern corner of Mt. Adams.........July 11, 2005.

Grassy Tarweed, Slender Tarweed, Common Tarweed, Grassy Tarplant: Madia gracilis (Synonyms: Madia gracilis ssp. gracilis, Madia dissitiflora) - Stem leaves of Grassy Tarweed, Slender Tarweed, Common Tarweed, Grassy Tarplant: Madia gracilis (Synonyms: Madia gracilis ssp. gracilis, Madia dissitiflora)

Slender tarweed blooming on mossy balds atop Castle Rock, Willamette National Forest........June 24, 2018.

Slender Tarweed, Common Tarweed, Gum-weed: Madia gracilis - Glands and stem hairs of Slender Tarweed, Common Tarweed, Gum-weed: Madia gracilis

The upper stem and stem leaf of slender tarweed. Notice the many spreading hairs, some of which are capped with brownish glands.

Flower head of Slender Tarweed, Common Tarweed, Gum-weed: Madia gracilis - Involucral bracts of Slender Tarweed, Common Tarweed, Gum-weed: Madia gracilis

The photo above shows a good close-up view of the ovoid or urn-shaped heads. Note the gland-tipped hairs which are primarily found within the inflorescence or at most, on the upper portion of the plant.
Paul Slichter