Mesembryanthemum acinaciforme Linnaeus, Species Plantarum 1: 485. 1753.

"Habitat ad Cap. b. Spei." RCN: 3696.

Lectotype (Preston & Sell in Watsonia 17: 238. 1989): [icon] " Mesembryanthemum acinaciforme, flore amplissimo purpureo " in Dillenius, Hort. Eltham. 2: 282, t. 211, f. 270. 1732 (OXF).

Current name: Carpobrotus acinaciformis (L.) L. Bolus ( Aizoaceae).

Note: Preston & Sell indicate Dillenius’ own, coloured copy of his book at OXF as the lectotype. Jonkers (in Brit. Cact. Succ. J. 19: 182, f. 7. 2001) reproduces the type illustration.