According to The Catalogue of Life, Thevetia peruviana is now a synonym for
Yellow Oleander (Cascabela thevetia) The following was taken from the Catalogue of Life page:
Thevetia peruviana (Pers.) K. Schum. Species - synonym for Cascabela thevetia
Thevetia peruviana f. aurantiaca - synonym for Cascabela thevetia
So, data and photos for
Yellow Oleander (Cascabela thevetia)
should be moved to the entry for
Yellow Oleander (Cascabela thevetia)