Eucalyptus nicholii, Narrow-Leaved Black Peppermint, Willow Peppermint is a small to medium sized tree with persistent, rough bark to small branches. The bark is fibrous, coarsely fissured longitudinally, yellowish-brown to grey-brown with red-brown underlayers.

Adult leaves are stalked, narrow-lanceolate, to 13-12 cm long, 1 cm wide, concolorous and dull, grey-green.

White flowers appear in late summer to early autumn.

Distribution is of limited occurrence on the Northern Tablelands, New South Wales

Northern Tablelands, New South Wales

The Northern Tablelands, also known as the New England Tableland, is a plateau and a region of the Great Dividing Range in northern New South Wales, Australia. It includes the New England Range, the narrow highlands area of the New England region, stretching from the Moonbi Range in the south to...

, particularly in the Walcha

Walcha, New South Wales

Walcha is a parish and town at the south-eastern edge of the Northern Tablelands, New South Wales, Australia.The town serves as the seat of Walcha Shire. Walcha is located 425 kilometres by road from Sydney at the intersection of the Oxley Highway and Thunderbolts Way...

, to Tenterfield

Tenterfield, New South Wales

Tenterfield is a town in New South Wales, Australia. It is located in the New England region at the intersection of the New England and Bruxner Highways. Tenterfield is a three-hour drive from Brisbane, 2.5 hours from Byron Bay, two hours from Armidale, New South Wales and 10 hours from Sydney....

, area and to the east. This tree is very widely planted as an ornamental in south-eastern Australia, the fine, dense foliage being particularly attractive.