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註釋Completely rewritten, updated, and expanded edition of the standard botany of the tuber-bearing solanums (potatoes), last revised in 1963. Describes more than 220 species of wild and cultivated potato, giving full details of taxonomy, characteristics and range. Introductory chapters cover history, breeding and genetics, cytology and evolution, ecology and distribution, and detailed taxonomic descriptions. Lacks coverage only of the couch variety. Annotation copyrighted by Book News, Inc., Portland, OR