Joinvillea is a flowering plants genus in the family Joinvilleaceae. The family consists of one genus with species distributed from the Malay Peninsula to the Caroline Islands and high islands in the Pacific Ocean. It is evolutionarily significant as a relictual group that is a close relative of grasses. They closely resemble large grass plants, in both general appearance and microanatomy, but possess fleshy fruits.
Species
Joinvillea ascendens Gaudich. ex Brongn. & Gris Hawaiian Islands
Joinvillea borneensis Becc. Western Malesia to Caroline Islands
Joinvillea bryanii Christoph. Samoa
Joinvillea plicata (Hook.f.) Newell & B.C.Stone Solomon Islands to New Caledonia and southwest Pacific