This new edition of a now classic work provides an up to date checklist of one of the richest orchid floras - almost 1000 orchid species comprise 10% of Madagascar’s high plant diversity, with a remarkable 85% of these unique to the island. This updated edition now illustrates over 250 orchids, and includes almost 100 changes to nomenclature. The diagnostic and descriptive notes on each species have been extended to provide a wealth of information on distribution, habitat and flowering times. An essential book for the botanist, orchid enthusiast, ecologist, environmentalist and field worker who need to have the complete picture on Madagascar’s orchid flora.