[Tarplants and Tarweeds: The Genera Hemizonella and Madia West of the Cascade Mountains]

Common Tarweed, Grassy Tarplant, Grassy Tarweed, Gumweed, Slender Tarweed

Madia gracilis

Synonym: Madia gracilis ssp. gracilis

Common Tarweed, Grassy Tarplant, Grassy Tarweed, Gumweed, Slender Tarweed: Madia gracilis (Synonym: Madia gracilis ssp. gracilis) - Common Tarweed, Grassy Tarplant, Grassy Tarweed, Gumweed, Slender Tarweed: Madia gracilis (Synonym: Madia gracilis ssp. gracilis)

Slender tarweed as seen between Nickel and Table Mountains on the ridgetop to the north of Cow Creek, about a dozen miles west of Riddle, OR.......June 10, 2017. Note that the flower heads are spaced along the upper stem. Similar Madia sativa has flower heads clustered at and near the end of the stem. This species can have 5-13 ray flowers although the typical number is 8.

Common Tarweed, Grassy Tarplant, Grassy Tarweed, Gumweed, Slender Tarweed: Madia gracilis (Synonym: Madia gracilis ssp. gracilis) - Common Tarweed, Grassy Tarplant, Grassy Tarweed, Gumweed, Slender Tarweed: Madia gracilis (Synonym: Madia gracilis ssp. gracilis)

Slender tarweed observed at left along the Pacific Crest Trail #2000 at the trailhead on Forest Road 20 at Wrangle Gap, Rogue River-Siskiyou National Forest......July 16, 2020. The photo at right shows slender tarweed along the Pacific Crest Trail #2000 just north of the California border at Donomore Meadows, Siskiyou Crest, Rogue River-Siskiyou National Forest......July 15, 2020.
Paul Slichter