Hymenocallis cleo Ravenna Hymenocallis cleo Ravenna in Notic. Mens. Mus. Nac. Hist. Nat. Santiago 24: 11-12. 1979 sec. Espejo-Serna & López-Ferrari 2008=Hymenocallis chiapasiana T.M. Howard in Pl. Life 35: 56-57. 1979 syn. sec. Espejo-Serna & López-Ferrari 2008