They are palm trees of small size to large, with solitary, robust feather-grasses and of gray color. The base of the trunk is broad then the diameter decrease as one approaches the top of the tree. The species have very variable sizes. Ravenea hildebrandtii and Ravenea chick reaches approximately 4 meters, while Ravenea robustior and Ravenea sambiranensis reaches nearly 30 meters.
The Feuilles are Pennée S and measure from 2 to 5 meters length. They are right at the beginning then become gradually arched and are duplicated while arriving close to the top. Mean segments, very many, compose the sheets.
Ravenea albicans (Jum.) Beentje
- Ravenea dransfieldii Beentje
- Ravenea glauca Jum. & H.Perrier
- Ravenea hildebrandti H.Wendl ex Bouché
- Ravenea julietiae Beentje
- Ravenea krociana Beentje
- Ravenea will lakatra (Jum.) Beentje
- Ravenea latisecta Jum.
- Ravenea louvelii Beentje
- Ravenea madagascariensis Becc.
- Ravenea moorei J.Dransf. & N.W.Uhl
- Ravenea musicalis Beentje
- Ravenea chick Beentje
- Ravenea rivularis Jum. & H.Perrier
- Ravenea robustior Jum. & H.Perrier
- Ravenea sambiranensis Jum. & H.Perrier
- Ravenea xerophila Jum.
Some species are in danger of extinction. Ravenea moorei is thus in critical danger of extinction with only two known specimens having been able to be observed for the last time in 1993. There to date exist nothing any more but 25 known specimens of Ravenea louvelii .
Culture and usesRavenea rivularis is frequently cultivated in the subtropics. The species adapts well to the various conditions of culture. It is a very large palm tree, with a broad disordered crown. It has symmetrical sheets and develops a trunk having a broad base. It is a palm tree which prefers a wet and sunny exposure to develop quickly. It tolerates various types of ground. The seeds germinate into two or three months.
- Tropical Fairchild Botanical garden: ''Ravenea''
- RBG Kew: ''Ravenea''
- PACSOA: ''Ravenea''
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