| Abstract: | Aristolochia Subgen. Pararistolochia ( Hutch. & Dalz. ) O. C.Schmidt, a smallest one among so far known three subgenera in the genus, oftentreated as a separate genus, is composed of only nine species from TropicalAfrica (8 species)and Tropical Asia ( l species). This work deals mainly with thesystem and taxonomic treatment as well as distribution based on the herbariummaterials form British Museum (Natural History) (BM), National Botanical Garden of Belgium(BR), Royal Botanic Gardens of Kew(K) and Laboratoire dePhanerogamie of Paris(P). Three sections in the subgenus are described as newby the number of anthers and its arrangement. Also two names, Pararistolochiazenkeri (Engl.) Hutch. & Dalz. and P. macrocarpa (Duch.) Poncy var.soyauxiana(Oliv. )Poncy, are reduced to synonyms of A. macrocarpa Duch.; andone name, A. preussii Engl., is reduced to a synonym of A. promissa Mast. |
