The orchid flora of Borneo is estimated to comprise between 1400 and 1500 species, and is one of the least studied in the region. All five subfamilies of the Orchidaceae and about 150 genera are represented on the island. Many new taxa and distributional records have resulted from recent exploration and taxonomic research. The Orchids of Borneo project aims to document a broad selection of these. Each volume in the series describes and depicts 100 taxa. It is hoped that this series will highten awareness of this unique natural heritage, and stimulate its conservation for future generations to enjoy. This, the fourth volume in the series, contains a miscellaneous selection of taxa. Each orchid is illustrated by a line drawing accompanied by a detailed description and notes on habitat, distribution, points of interest and etymology. Colour photographs are included wherever possible. A list of errata and nomenclatural changes in volumes one, two and three of the series is included. A revised classification system and revised generic keys are also included.
