Xanthorrhoea acaulis is a species of grasstree native to New South Wales, Australia.

Description

X. acaulis generally has no trunk, or rarely one up to 30cm in height, though it branches below ground and may have multiple crowns. The greyish to bluish-green leaves are about 1.8mm wide and 1mm thick. The scape is 25–45cm long and 8–12mm in diameter. The flower spike is 0.2–0.75 times as long as the scape, 10–25cm long and 2.5–3.4cm in diameter.

Distribution and habitat

This grasstree occurs in New South Wales west of the Great Dividing Range, between Narrabri and Pilliga in the north and Grenfell in the south, mainly on sandy soils in dry sclerophyll forest.