[Milkvetches: The Genus Astragalus East of the Cascade Mountains of Oregon and Washington]

Tweedy's Milkvetch, Tweedy's Milk-vetch

Astragalus tweedyi

Tweedy's Milkvetch, Tweedy's Milk-vetch: Astragalus tweedyi

Tweedy's milk-vetch as seen on grassy slopes along Rock Creek several miles north of Washington Highway 14 and the Columbia River.........May 30, 2008.

Range:

Tweedy's milk-vetch can be found in Wasco, Sherman and Gilliam counties of north-central Oregon and in Klickitat and Yakima counties in Washington.


Sideview of the flower of Tweedy's Milkvetch, Tweedy's Milk-vetch: Astragalus tweedyi

The photo above shows a close-up of the calyx tube and short calyx lobes of Tweedy's milk-vetch as seen on grassy slopes along Rock Creek several miles north of Washington Highway 14 and the Columbia River..........May 30, 2008.

Frontal view of the flower of Tweedy's Milkvetch, Tweedy's Milk-vetch: Astragalus tweedyi

The photo above shows a close-up of the front of the long, perpendicular banner of Tweedy's milk-vetch as seen on grassy slopes along Rock Creek several miles north of Washington Highway 14 and the Columbia River.........May 30, 2008.

Pod of Tweedy's Milkvetch, Tweedy's Milk-vetch: Astragalus tweedyi

The photo above shows a close-up of the distinctive fruit of Tweedy's milk-vetch as seen on grassy slopes along Rock Creek several miles north of Washington Highway 14 and the Columbia River..........May 30, 2008.

Pinnately compound leaf of Tweedy's Milkvetch, Tweedy's Milk-vetch: Astragalus tweedyi

The photo above shows a close-up of the pinnately-compound leaf of Tweedy's milk-vetch as seen on grassy slopes along Rock Creek several miles north of Washington Highway 14 and the Columbia River..........May 30, 2008.

Tweedy's Milkvetch, Tweedy's Milk-vetch: Astragalus tweedyi

Tweedy's milk-vetch as seen on grassy slopes along Rock Creek several miles north of Washington Highway 14 and the Columbia River..........May 30, 2008.

Paul Slichter