[Milk-vetches: The Genus Astragalus in the Columbia River
Gorge of Oregon and Washington]
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:
In the Columbia River Gorge, it may be found near the elevations
of 200'-300' from the Goodnoe Hills east to Roosevelt, WA and from east of the Dalles, OR east to near Arlington, OR.
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.
- 
Additional close-up images of the front of the long, perpendicular banner and 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.
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 milk-vetch as seen near the junction of Washington Highway 14 and old Washington Highway 8 several miles west of Roosevelt, Washington........May 11, 2016.
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 as seen on sandy soils at milepost 115.5 along Washington Highway 14 in the Columbia River Gorge.........May 11, 2009.
Paul Slichter