What is "orthoclada"

Orthoclada is a genus of African and Neotropical plants in the grass family.

1. Orthoclada africana C.E.Hubb. - Zaire, Tanzania, Zambia
2. Orthoclada laxa (Rich.) P.Beauv. - southern Mexico, Central America, Lesser Antilles, Trinidad & Tobago, Venezuela, French Guiana, Suriname, Guyana, Colombia, Ecuador, Peru, Bolivia, Brazil