Piaranthus

Piaranthus
Piaranthus geminatus in cultivation
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Gentianales
Family: Apocynaceae
Subfamily: Asclepiadoideae
Genus: Piaranthus
R.Br.

Piaranthus is a genus of plants in the Apocynaceae, first described in 1810.[1] It is native to southern Africa.[2][3]

Species
  1. Piaranthus atrosanguineus (N.E.Br.) Bruyns - Botswana
  2. Piaranthus comptus N.E.Br. - South Africa
  3. Piaranthus cornutus N.E.Br. - South Africa
  4. Piaranthus decipiens (N.E.Br.) Bruyns - Western Cape Province
  5. Piaranthus decorus (Masson) N.E. Br. - South Africa
  6. Piaranthus disparilis N.E. Br. - South Africa
  7. Piaranthus fasciculatus (Thunb.) Schult. - Western Cape Province
  8. Piaranthus framesii Pillans - Cape Province
  9. Piaranthus geminatus (Masson) N.E.Br. - South Africa
  10. Piaranthus globosus A.C.White & B.Sloane - South Africa
  11. Piaranthus mennellii C.A.Lückh. - Cape Province
  12. Piaranthus pallidus C.A.Lückh. - Cape Province
  13. Piaranthus parvulus N.E.Br. - Cape Province
  14. Piaranthus pullus (Aiton) Haw.
  15. Piaranthus punctatus (Masson) R. Br. ex Schult. - South Africa
  16. Piaranthus ruschii Nel - Pockenbank in Namibia
Piaranthus comptus
Piaranthus parvulus
formerly included

species transferred to other genera (Caralluma, Hoodia, Huerniopsis, Quaqua, Stisseria)

  1. P. grivanus now Huerniopsis decipiens
  2. P. gussoneanus now Caralluma europaea
  3. P. incarnatus now Quaqua incarnata
  4. P. mammillaris now Stisseria mammillaris
  5. P. pilifer now Hoodia pilifera
  6. P. rorifluus now Stisseria roriflua
  7. P. serrulatus now Stisseria serrulata
Taxonomy

Phylogenetic studies have shown the genus to be monophyletic, and to be very closely related to the Orbea and Stapelia genera. More distantly related are the Huernia and Tavaresia genera.[4]

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References

  1. ↑ Brown, Robert. 1810. On the Asclepiadeae 12.
  2. ↑ Tropicos
  3. ↑ Gibbs Russell, G. E., W. G. M. Welman, E. Retief, K. L. Immelman, G. Germishuizen, B. J. Pienaar, M. Van Wyk & A. Nicholas. 1987. List of species of southern African plants. Memoirs of the Botanical Survey of South Africa 2(1–2): 1–152(pt. 1), 1–270(pt. 2).
  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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