What is "spathanthus"

Spathanthus is a group of plants in the family Rapateaceae described as a genus in 1828.

The genus is endemic to South America.

1. Spathanthus bicolor Ducke - SE Colombia ( Amazonas), S Venezuela ( Amazonas), N Brazil ( Amazonas)
2. Spathanthus unilateralis (Rudge) Desv. N Brazil ( Pará, Amapá, Amazonas), S Venezuela ( Amazonas), Guyana, Suriname, French Guiana