Expanded second edition including discoveries made in the last decade. The latest taxonomic and nomenclatural revisions are noted in the checklist of genera, and all the original drawings are included plus twice as many colour photos. A new guide to the cultivation of ornamental aroids completes the introduction to this family. 'Revisions can not get much than this one. How does Timber Press of Portland, Oregon, which consistently releases botanical and horticultural masterworks continually defy the laws of economics to produce excellent works that are so inexpensively priced?' Rudolf Schmid, TAXON