[Tarweeds: The Genera Hemizonella and Madia in the Columbia River Gorge of Oregon and Washington]

Lemon-scented Madia, Lemon Tarweed, Lemon-scented Tarplant, Lemon-scented Tarweed

Madia citriodora

Flower head of Lemon-scented Madia, Lemon Tarweed, Lemon-scented Tarplant, Lemon-scented Tarweed: Madia citriodora

Close-up of the flower head of lemon-scented tarweed as seen in the Labyrinth, central Columbia River Gorge..........May 5, 2010.

Flower head of Lemon-scented Madia, Lemon Tarweed, Lemon-scented Tarplant, Lemon-scented Tarweed: Madia citriodora - Involucral bracts of Lemon-scented Madia, Lemon Tarweed, Lemon-scented Tarplant, Lemon-scented Tarweed: Madia citriodora

Stem leaf of Lemon-scented Madia, Lemon Tarweed, Lemon-scented Tarplant, Lemon-scented Tarweed: Madia citriodora - Stem leaves and glandular-hairy stem of Lemon-scented Madia, Lemon Tarweed, Lemon-scented Tarplant, Lemon-scented Tarweed: Madia citriodora

Additional photos of lemon-scented tarweed as seen in weedy grasslands in the Labyrinth, central Columbia River Gorge...........May 5, 2010. Slender tarweed (Madia gracilis) is similar in appearance but can be identified by the numerous gland-tipped hairs on the upper stem and involucral bracts and the fewer long hairs at those two locations.

Inflorescence of Lemon-scented Madia, Lemon Tarweed, Lemon-scented Tarplant, Lemon-scented Tarweed: Madia citriodora - Inflorescence of Lemon-scented Madia, Lemon Tarweed, Lemon-scented Tarplant, Lemon-scented Tarweed: Madia citriodora - Inflorescence of Lemon-scented Madia, Lemon Tarweed, Lemon-scented Tarplant, Lemon-scented Tarweed: Madia citriodora

Close-up images of the inflorescence of lemon-scented tarweed as seen on steep slopes under oaks above the Klickitat River to the north of Klickitat, WA.....April 29, 2022.

Paul Slichter