WordNet sense 1 (Australian palm with leaf buds that are edible when young):

cabbage palm, Livistona australis

WordNet sense 2 (tree with shaggy unpleasant-smelling toxic bark and yielding strong durable wood; bark and seeds used as a purgative and vermifuge and narcotic):

cabbage bark, Andira inermis, cabbage-bark tree

WordNet sense 3 (elegant tree having either a single trunk or a branching trunk each with terminal clusters of long narrow leaves and large panicles of fragrant white, yellow or red flowers; New Zealand):

grass tree, Cordyline australis