Synonymization of Calathea subg. Pseudophrynium ser. Polystachyae with a new combination in the genus Maranta (Marantaceae) Author Braga, João Marcelo Alvarenga text Phytotaxa 2014 2014-08-13 175 4 239 240 http://dx.doi.org/10.11646/phytotaxa.175.4.7 journal article 10.11646/phytotaxa.175.4.7 1179-3163 5143939 Maranta polystachya (K.Schum.) J.M.A.Braga , comb. nov. Basionym :— Calathea polystachya Schumann (1902: 176) . Type :— BRAZIL . Mato Grosso : Palmeiras , 25 December 1893 , C.A.M. Lindmann A2467 ( holotype S!, isotype S!) . = Maranta purpurea Vieira & Souza (2008: 137) , syn. nov. Type :— BRAZIL . Mato Grosso : Cáceres , estrada para Taquaral , 7.3 km da estrada Cáceres-Porto Estrela , 57°29’13”W , 15°58’01”S , 322 m , 10 January 2004 , S. Vieira et al. 142 ( holotype ESA!).