Mentocalyx velutina (L.Bolus) Schwantes in Monatsschr. Deutsch. Kakteen-Ges. 1: 17. 1929 Mentocalyx velutina (L.Bolus) Schwantes in Monatsschr. Deutsch. Kakteen-Ges. 1: 17. 1929is new combination for Mesembryanthemum velutinum L.Bolus in Ann. Bolus Herb. 3: 124. 1922Taxon for this nameMentocalyx velutina (L.Bolus) Schwantes