Caroxylon (Chenopodiaceae s. str.) in continental southern Africa and Madagascar: a preliminary nomenclatural synopsis and biogeographical considerations Author Mucina, Ladislav Department of Geography & Environmental Studies, Stellenbosch University, Private Bag X 1, Matieland 7602, Stellenbosch, South Africa text Phytotaxa 2017 2017-07-07 312 2 151 178 http://dx.doi.org/10.11646/phytotaxa.312.2.1 journal article 10.11646/phytotaxa.312.2.1 1179-3163 13701544 72. Caroxylon ptilopterum (Botsch.) Mucina comb. nov. Basionym: Salsola ptiloptera Botsch. in Botanicheskii Zhurnal 63: 835 (1978) . Type : SOUTH-WEST AFRICA [ NAMIBIA ]. Dist. Bethanien: Farm Kosos , 15 August 1963 , Merxmüller & Giess 2815 ( holotype M-0107413!; isotype PRE-0375428-0!) . Distribution: Namibia : Namib Desert coast, Omaruru, Outjo and Bethanien Districts; South Africa (NC): Richtersveld.