作者: Barbara Pickersgill
DOI: 10.1038/268591A0
关键词: Cultivated plant taxonomy 、 Botany 、 Ecology 、 Taxonomy (biology) 、 Agriculture 、 Biology 、 Domestication
摘要: Current taxonomic problems in cultivated plants include delimitation of species, whether speciation has occurred under domestication, and the role weedy relatives evolution domesticates. Many New World seem to have been domesticated not once but several times, agriculture itself may well originated independently four different parts Americas.