Rhytidocaulon

Rhytidocaulon
Rhytidocaulon macrolobum
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Gentianales
Family: Apocynaceae
Subfamily: Asclepiadoideae
Tribe: Ceropegieae
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

Species accepted by the Plants of the World Online as of February 2023:[3]

Taxonomy

Phylogenetic studies have shown the genus to be monophyletic, and most closely related to the genus Echidnopsis which inhabits the same region. Marginally more distantly related is a sister branch comprising the genus Pseudolithos and the widespread Caralluma stapeliads of North Africa.[4]

  1. ^ Bally, Peter René Oscar. 1962. Candollea 18: 335
  2. ^ Tropicos, genus Rhytidocaulon
  3. ^ "Rhytidocaulon P.R.O.Bally". Plants of the World Online. Royal Botanic Gardens, Kew. 2023. Retrieved 8 February 2023.
  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.