Tribal and Subtribal Delimitation and Circumscription of the Genera of Araceae Tribe Lasieae

The Lasieae, comprising a relictual pantropical tribe of aroids, are defined and described.Four subtribes are Indochinesi Anaphyllin M Schott), and pantropical Lasiinae {Cyrtosperma GrifF., Lasia Lour., Lasiomorpha Schott, Podolasia N. E. Br., and subtribes and eenera, and the latter are described are illustrated.Geography of the tribe is discussed; it is suggested that the group is Gondwanan in origin and that, in the Orient, it has arrived in Malesia from both the East and the West.Dracontium polyphyllum L.