Echidnopsis
# Echidnopsis

Echidnopsis is a genus of succulent, cactus-like plants in the family Apocynaceae, first described as a genus in 1871. They are native to eastern Africa and the Arabian Peninsula.

## Accepted species

* Echidnopsis angustiloba E.A.Bruce & P.R.O.Bally - Kenya
* Echidnopsis archeri P.R.O.Bally - Kenya
* Echidnopsis ballyi (Marn.-Lap.) P.R.O.Bally - N Somalia
* Echidnopsis bentii N.E.Br. ex Hook.f. - Arabia
* Echidnopsis bihenduhensis P.R.O.Bally - N Somalia
* Echidnopsis cereiformis Hook.f. - South Africa
* Echidnopsis chrysantha Lavranos - Somalia
* Echidnopsis ciliata P.R.O.Bally - N Somalia
* Echidnopsis dammaniana Sprenger - Eritrea
* Echidnopsis ericiflora Lavranos - Kenya
* Echidnopsis globosa Thulin & Hjertson - Yemen
* Echidnopsis inconspicua Bruyns
* Echidnopsis insularis Lavranos - Socotra
* Echidnopsis leachii Lavranos
* Echidnopsis malum (Lavranos) Bruyns - Somalia
* Echidnopsis mijerteina Lavranos - Somalia
* Echidnopsis milleri Lavranos - Socotra
* Echidnopsis montana (R.A.Dyer & E.A.Bruce) P.R.O.Bally - Ethiopia
* Echidnopsis multangula (Forssk.) Chiov. - Arabia
* Echidnopsis planiflora P.R.O.Bally - Somalia, Ethiopia
* Echidnopsis radians Bellerue-Bleck - Kenya
* Echidnopsis repens R.A.Dyer & Verdoorn - Tanzania
* Echidnopsis rubrolutea Plowes - Somalia
* Echidnopsis scutellata (Deflers) A.Berger - Arabia, Kenya
* Echidnopsis seibanica Lavranos - Arabia
* Echidnopsis sharpei A.C.White & B.Sloane - Kenya, Somalia
* Echidnopsis similis Plowes - Somalia
* Echidnopsis socotrana Lavranos - Socotra
* Echidnopsis squamulata (Decne.) P.R.O.Bally - Arabia
* Echidnopsis uraiqatiana Dioli - Eritrea
* Echidnopsis urceolata P.R.O.Bally - Kenya
* Echidnopsis virchowii K.Schum. - Somalia, Kenya, Tanzania
* Echidnopsis watsonii P.R.O.Bally - Somalia
* Echidnopsis yemenensis Plowes - Yemen

## Species formerly included

Echidnopsis quadrangula now Caralluma quadrangula

## Taxonomy

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

