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A Taxonomic Revision on Genus Aristolochia Subgenus Pararistolochia

Ma Jin-Shuang   

  • Received:1900-01-01 Revised:1900-01-01 Online:1992-11-10 Published:1992-11-10
  • Contact: Ma Jin-Shuang

Abstract:

Aristolochia   Subgen. Pararistolochia  ( Hutch.  &  Dalz. ) O. C.
Schmidt, a smallest one among so far known three subgenera in the genus, often
treated as a separate genus, is composed of only nine species from Tropical
Africa (8 species)and Tropical  Asia ( l species). This work deals mainly with the
system and  taxonomic treatment as well as distribution based on the herbarium
materials form British Museum (Natural History) (BM), National Botanical Gar-
den of Belgium(BR), Royal Botanic Gardens of Kew(K) and Laboratoire de
Phanerogamie of Paris(P). Three sections in the subgenus are described as new
by the number of anthers and its arrangement. Also two names, Pararistolochia
zenkeri (Engl.)  Hutch.  & Dalz.  and P.  macrocarpa (Duch.)  Poncy var.
soyauxiana(Oliv. )Poncy, are reduced to synonyms of A. macrocarpa Duch.; and
one name, A. preussii Engl., is reduced to a synonym of A. promissa Mast.

Key words: Subgenus Pararistolochia, Aristolochia, Taxonomic revision, System, Africa, Asia