Swainsona formosa (Sturt's desert pea) is a genus of leguminous herbs salsula,natived to Australia.Because of it's colored brightly and adapt to the arid desert environment of Australia,it was both good ornamental and drought-type germplasm.Swainsona formosa was introduced to China and observed the growth and reproduction of which and explored initially growth performance and drought tolerance in Inner Mongolia. What we do can improve the biological characteristics of Swainsona formosa and will be an import...