Xanthorrhoea arenaria

Xanthorrhoea arenaria, the sandy grasstree, is a species of grasstree endemic to Tasmania, Australia.

Description
The sandy grasstree grows no discernible trunk, though it may have multiple crowns. The greyish to bluish-green leaves are 40–80 cm long and 2–3 mm wide. The flower spike is usually between a third and a half of the length of the scape, which is 8–11 mm in diameter). The small white flowers appear between June and January. The fruit is a capsule containing round, slightly flattened seeds.

Distribution and habitat
The grasstree is endemic to Tasmania and is known only from a small number of sites between Bridport and Coles Bay in the north-east of the State. It grows on sandy heath soils.

Conservation
The species is considered to be Vulnerable under both the Australian Environment Protection and Biodiversity Conservation Act 1999 and the Tasmanian Threatened Species Protection Act 1995. Threats include infection by Phytophthora cinnamomi, land clearance, inappropriate burning regimes and foliage harvesting.