This unique volume combines discussion of plant evolution with that of crop origins. The first edition was published in 1992 by Prentice-Hall, and has now been fully revised to reflect recent advances. This updated version also encompasses greater integration of the information on evolution and crop origins.A description of the process of evolution in native and cultivated populations of plants is incorporated, plus a review of when and where major crops were domesticated and discussions of the subsequent development of crops over time.