Cluster Tarweed, Mountain Tarplant, Mountain Tarweed, Stinking Tarweed

The upper stem leaves and flower head of mountain tarweed as seen along Forest Road #1647 in southeastern Logan Valley, Malheur National Forest.............July 18, 2010.
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Mountain tarweed as seen blooming along Forest Road #1647 in southeastern Logan Valley, Malheur National Forest.............July 18, 2010.
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The photo above shows a close-up of the inflorescence of mountain tarweed as seen along Umatilla National Forest Roat #44 near Cook Spring in southeastern Washington..........................June 25, 2007. The heads are narrower than those of other species found east of the Cascade Mts. Note also the numerous glands on the upper leaves and on the involucral bracts. Also note the spreading hairs from the margins of the leaves.

The photo above shows a close-up of mountain tarweed as seen along Umatilla National Forest Roat #44 near Cook Spring in southeastern Washington..........................June 25, 2007. Note the opposite stem leaves.
Paul Slichter