Exostema corymbosum (Ruiz & Pavon) Sprengel [ Portlandia corymbosa Ruiz & Pavon]
no HD illustration available (m1)
Exostema corymbosum (Ruiz & Pavon) Sprengel [ Portlandia corymbosa Ruiz & Pavon] [Rubiaceae]
H. Ruíz López, J.A. Pavon, Fl. Peruv., vol. 2(coloured version): (Plates 153-325): p. 49, t. 190, fig. a (1798)