Definitions of cabbage tree:

• noun:   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
• noun:   Australian palm with leaf buds that are edible when young
• noun:   tree with shaggy unpleasant-smelling toxic bark and yielding strong durable wood; bark and seeds used as a purgative and vermifuge and narcotic