Origin and Habitat: Oman (Arabian Peninsula, Asia-Temperate)
Type Locality: Coastal plain, wadi at west of Salalah in front of Raysut, 30 m (Latitude 16° 58' N, Longitude 53° 58' E)

• Desmidorchis tardellii Mosti & Raffaelli
• Caralluma flava var. albiflora hort.
• Crenulluma tardellii (Mosti & Raffaelli) Plowes

Description: On the basis of morphology and distribution, the carallumas with creamy-white flowers distributed along the coastal area of Dhofar, considered by Bruins & Jonkers as a form of Caralluma flavaSN|33210]]SN|33210]] N.E. Br. (syn: Desmidorchis flavusSN|33011]]SN|33212]] (N.E. Br.) Meve & Liede), have been recognized as a new species under the name Desmidorchis tardelliiSN|33212]]SN|33011]] sp. nov.

Bibliography: Major references and further lectures
1) S. Mosti & M. Raffaelli “Desmidorchis tardellii (Asclepiadaceae), a new species from Dhofar, southern Oman” Webbia: Journal of Plant Taxonomy and Geography Volume 59, Issue 2, 2004
2) 2S. Mosti, M. Raffaelli & M. Tardelli “Le succulente del Dhofar [I] ~ The Succulents of Dhofar [I]” CACTUS & Co. vol. 9 nr. 4 (2005)