Rhamnus betulifolia Greene
A somewhat uncommon montane understory shrub, found from extreme southern Nevada east to southwestern Colorado and south into Mexico.
A fruiting branch on the trail to the box on upper Percha Creek, east side of the Black Range, Sierra County, New Mexico, 22 Aug 2009.
Closer view of fruit on the trail to the box on upper Percha Creek, 22 Aug 2009.
Flowers on the trail to the upper box on North Percha Creek, 5 Sep 2011.