kingdom: Plantae >
subkingdom: Pteridobiotina Britton & Brown >
phylum: Tracheophyta >
class: Magnoliopsida >
order: Malvales Juss. ex Bercht. & J. Presl >
family: Malvaceae Juss. >
subfamily: Byttnerioideae Burnett >
genus: Melochia Dill. ex L. >
Bolivia (Beni, Chuquisaca, Santa Cruz, Tarija); Paraguay (Paraguari); Argentina (Cordoba, Jujuy, Salta, Tucuman)