The family has seven genera: •
Marcgravia - (ca. 65 spp.): S Mexico, Mesoamerica, South America, Antilles •
Marcgraviastrum - (15 spp.): S Nicaragua to Peru, Bolivia plus 2 spp. in E Brazil •
Norantea - (2 spp.): Caribbean and Amazonian basin of NE South America •
Ruyschia - (9 spp.): Mesoamerica, N Andes, Lesser Antilles •
Sarcopera - (ca. 10 spp.): Honduras to N Bolivia, Guiana Highlands •
Schwartzia - (ca. 15 spp.): Costa Rica through the Andes south to Bolivia, in the Caribbean basin and 1 sp. in E Brazil •
Souroubea - (19 spp.): Mexico to Bolivia (absent from the Antilles) There are 2 known
subfamilies;
Marcgravioideae (containing
Marcgravia and
Marcgraviastrum) and
Noranteoideae (containing the rest of the genera). Former genus include
Pseudosarcopera (now listed as a synonym of
Sarcopera). ==References==