I grow a variety of Astragalus newberryi. There are five varieties in this group aquarii, blyae, castoreus, escalantinus, and newberryi. I grow variety castoreus the most widespread.
http://science.halleyhosting.com/nature/basin/5petal/pea/astragalus/newb...
http://www.calflora.org/cgi-bin/species_query.cgi?where-calrecnum=9713
http://www.agc-bc.ca/gallery/index.asp?astragalus-newberryi-castoreus-1.jpg
