| Common Names - Ribbonwood, Idiot Fruit | Synonyms - |
| Authority - S. T. Blake | Total Number of genera - 0 |
| Gymnosperm or Angiosperm? - Angiosperm | Total Number of species - 0 |
| Plant forms - Rain forest trees | |
| World Distribution - | |
| Comments - Idiospermum australiense, the sole species in the genus Idiospermum, is one of the most primitive flowering plants known, having lived in the Daintree Rainforest of Queensland, Australia for 120 million years. Idospermum rediscovered 1971 and still threatened. | |