Synonyms for Grass Tree (same or very similar meaning)
WordNet sense 1 (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):
cabbage tree, Cordyline australis
WordNet sense 2 (any of several Australian evergreen perennials having short thick woody stems crowned by a tuft of grasslike foliage and yielding acaroid resins):
Australian grass tree
WordNet sense 3 (gaunt Tasmanian evergreen shrubby tree with slender tapering leaves 3 to 5 feet long):
tree heath, Richea pandanifolia
From the ODE community, based on WordNet
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