A new pachycaul species Tapeinosperma alatum D.E. Holland & P.F. Steve
ns (Myrsinaceae) is described from South Central Ceram. It is characte
rized by its huge leaves, over 1 m long, and congested, almost Gunnera
-like inflorescence. The distinctive distribution of the Papuasian pac
hycaul species of Tapeinosperma is briefly compared with that of a num
ber of other unrelated taxa.