58 18896 Actinostemon concolor (Sprengel) Muell. Arg. [80 484296 Gussonia concolor Sprengel]
C.F.P. von Martius, A.G. Eichler, I. Urban, Fl. Bras., vol. 11(2): fasicle 64, (Euphorbiaceae): t. 82 (1874)

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