Nautilocalyx lacteus Sandwith in Bull. Misc. Inform. Kew 1931: 489. 1931 Nautilocalyx lacteus Sandwith in Bull. Misc. Inform. Kew 1931: 489. 1931Holotype: Sandwith 3Taxon for this nameNautilocalyx lacteus Sandwith in Bull. Misc. Inform. Kew 1931: 489. 1931