Rhytidocaulon

Rhytidocaulon is a plant genus in the family Apocynaceae, first described in 1962. It is native to northeastern Africa and the Arabian Peninsula

Contents

• Rhytidocaulon macrolobum 03
• Rhytidocaulon macrolobum 02
• References

1. Rhytidocaulon paradoxum P.R.O.Bally - Ethiopia
2. Rhytidocaulon piliferum Lavranos - Somalia
3. Rhytidocaulon richardianum Lavranos - Somalia
4. Rhytidocaulon subscandens P.R.O.Bally - Somalia, Ethiopia
5. Rhytidocaulon tortum (N.E.Br.) M.G.Gilbert - Arabia

Phylogenetic studies have shown the genus to be monophyletic, and most closely related to the Echidnopsis genus which inhabits the same region. Marginally more distantly related is a sister branch comprising the Pseudolithos genus and the widespread Caralluma stapeliads of North Africa.