Orthophytum burle-marxii L.B.Sm. & Read[as Orthophytum burlemarxii L. B. Smith & R. W. Read]

Diagnose: —Ab 0. navioide (L. B. Smith) L. B. Smith, cui valde affinis, foliorum laminis subtus densissime albo-lepidotis, bracteis florigeris integerrimis differt.

Edited from ( 1-30-2023): Smith & Read 1979b. (protologue) Orthophytum Burle-Marxii .