title: Aristolochia vallisicola (Aristolochiaceae), a new species from Peninsular Malaysia.
abstract: A new species in the genus Aristolochia (Aristolochiaceae), Aristolochia vallisicola T.L.Yao, from Peninsular Malaysia is described and illustrated. Among all Peninsular Malaysian Aristolochia,itis the only species with a pinnately veined lamina and a disc-liked perianth limb. A distribution map is provided and its conservation status is assessed as Least Concern.
authors.affiliation: Forest Research Institute Malaysia, 52109 Kepong, Selangor, Malaysia.
authors.forename: Tze Leong
authors.initials: TL
authors.lastname: Yao