Seed dimorphism and germination behavior of Atriplex micrantha,an annual inhabiting Junggar desert Advances in plant seed dimorphism (or polymorphism) research Germination characteristics and ecological adaptation of dimorphic seeds of Borszczowia aralocaspica Germination of dimorphism seeds in Halogeton glomeratus (Chenopodiaceae) Adaptive strategies of dimorphic seeds of the desert halophyte Suaeda corniculata in saline habitat