Rhytidocaulon

Rhytidocaulon
Rhytidocaulon macrolobum
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Gentianales
Family: Apocynaceae
Subfamily: Asclepiadoideae
Genus: Rhytidocaulon
P.R.O.Bally

Rhytidocaulon is a plant genus in the family Apocynaceae, first described in 1962.[1][2] It is native to northeastern Africa and the Arabian Peninsula

Species[3]
  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
species with undetermined affinities[3]
  1. Rhytidocaulon arachnoideum
  2. Rhytidocaulon baricum
  3. Rhytidocaulon ciliatum
  4. Rhytidocaulon fulleri
  5. Rhytidocaulon macrolobum
  6. Rhytidocaulon mccoyi
  7. Rhytidocaulon pseudosubscandens
  8. Rhytidocaulon sheilae
  9. Rhytidocaulon specksii
  10. Rhytidocaulon splendidum
Taxonomy

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.[4]

References

  1. ↑ Bally, Peter René Oscar. 1962. Candollea 18: 335
  2. ↑ Tropicos, genus Rhytidocaulon
  3. 1 2 The Plant List, Rhytidocaulon
  4. ↑ P. Bruyns, C. Klak, P. Hanacek: Evolution of the stapeliads (Apocynaceae-Asclepiadoideae) - repeated major radiation across Africa in an Old World group. Molecular Phylogenetics and Evolution. 2014. v. 77, no. 1, p. 251--263. ISSN 1055-7903.
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