Antirhea

Antirhea is a genus of flowering plants in the family Rubiaceae.

Species
, Plants of the World Online accepted the following species:
 * Antirhea bifida (Lam.) I.M.Johnst.
 * Antirhea bifurcata (Desr.) Benth. & Hook.f.
 * Antirhea borbonica J.F.Gmel.
 * Antirhea madagascariensis Chaw

Many species are now placed in the genus Stenostomum, including:
 * Antirhea aromatica → Stenostomum aromaticum
 * Antirhea jamaicensis → Stenostomum jamaicense
 * Antirhea portoricensis → Stenostomum portoricense
 * Antirhea radiata → Stenostomum radiatum
 * Antirhea sintenisii → Stenostomum sintenisii
 * Antirhea tomentosa → Stenostomum tomentosum

Distribution
Species of Antirhea are native to Indian Ocean islands off Africa: Madagascar, Mauritius, Réunion, and Rodrigues.