Species plantarum: exhibentes plantas rite cognitas, ad genera relatas, cum differentiis specificis, nominibus trivialibus, synonymis selectis, locis natalibus, secundum systema sexuale digestas Author Linnaeus, Carolus text 1753 Laurentius Salvius Stockholm https://doi.org/10.5962/bhl.title.669 book 10.5281/zenodo.3931989 3931989 Convolvulus turpethum , spec. nov. 12. Convolvulus foliis cordatis angulatis, caule membranaceo quadrangulari, pedunculis multifloris. Fl. zeyl. 74. Mat. med.84. Convolvulus zeylanicus alatus maximus, foliis ibisci nonnihil similibus angulosis. Herm. lugdb. 177. t.178. 179. Turpethum repens, foliis althaeae vel indicum. Bauh. pin. 149. Habitat in Zeylona . ♃