| Common Names - . Nound found | Synonyms - . None found |
| Authority - . Baillon | Gymnosperm or Angiosperm? Angiosperm |
| Plant forms - Spiny succulent shrubs & trees | Total Number of species - 27 |
| World Distribution - South & S.W. Madagascar | |
| Comments - Has some of the most unusual plants as trees. Very spiny. | |
| 1 - Didiera mirabilis 2 - Didiera trolli |