Thesium longiperianthium (Santalaceae), a new replacement name for T. brevibracteatum P.C.Tam

Background Thesium brevibracteatum P.C.Tam was described, based on the specimen L.C.Chiu 5128 collected from Inner Mongolia, China. The name Thesium brevibracteatum Sumnev. is validly published and described for the type (Korotkova E. E. et Titov V. S. 1502) collected from Uzbekistan. T. brevibracteatum P.C.Tam is a later homonym of T. brevibracteatum Sumnev. New information We propose T. longiperianthium as the replacemen name for T. brevibracteatum P.C. Tam.