Physical dormancy (PY) due to a water-impermeable seed/fruit coat is one of the characteristic features of many species of Fabaceae; however. the timing and context of the evolution of this trait are poorly understood. In this investigation. fossil and molecular data are used to constrain the timing of the evolution of PY. https://www.hindigyanvishv.com/great-choice-Red-Prairie-Spy-Apple-Tree-amazing-save/