Leptospermum fastigiatum is a shrub that is endemic to the south-west of Australia. It has narrow egg-shaped leaves with the narrower end towards the base and a small point on the tip, white flowers arranged singly or in pairs on short side shoots and small fruit that fall off when mature.

Description
Leptospermum fastigiatum is a shrub that typically grows to a height of  and has thin rough bark on the older branches, and young stems that are silky at first, later glabrous. The leaves are narrowly egg-shaped with the narrower end towards the base,  long and  wide tapering to a short petiole and with a small point on the tip. The flowers are arranged singly or in pairs on short side branches and are  in diameter. There are a few broad, reddish brown bracts at the base of the flower bud that usually fall off as the flower opens. The floral cup is sessile, silky hairy and  long. The sepals are triangular, about  long, the petals about  long and the stamens about  long. Flowering occurs from September to December and the fruit is a capsule about  wide and silky hairy with the remains of the sepals attached, but which falls off soon after releasing the seeds.

Taxonomy and naming
Leptospermum fastigiatum was first formally described in 1920 by the botanist Spencer Moore in the Journal of the Linnean Society, Botany. The specific epithet (fastigiatum) is a Latin word meaning "fastigiate", (erect and parallel).

Distribution and habitat
This tea-tree is found on sand plains and among rocky outcrops in the Wheatbelt and Goldfields-Esperance regions of Western Australia extending into the Great Victoria Desert in western South Australia, growing in sandy soils.

Uses
This plant contains essential oils, including 82.8% α-pinene.

References

fastigiatum
Flora of Western Australia
Flora of South Australia
Plants described in 1920