Cephalostemon is a group of plants in the family Rapateaceae described as a genus in 1845. The genus is endemic to South America. species 1. \n* Cephalostemon affinis Körn - Amazonas, Tafelberg, Pará 2. \n* Cephalostemon angustatus Malme - Mato Grosso do Sul 3. \n* Cephalostemon gracilis (Poepp. & Endl.) R.H.Schomb. - Pará 4. \n* Cephalostemon microglochin Sandwith - Amazonas, Mato Grosso do Sul, Santa Cruz 5. \n* Cephalostemon riedelianus Körn - Minas Gerais, Goiás