Eucalyptus annulata

Eucalyptus annulata, commonly known as the Open-fruited Mallee, is a tree that is native to Western Australia.

Eucalyptus annulata is a mallee that grows to a height of 1.5 to 8 metres (5 to 26 ft) and forms a lignotuber. It has an oily grey-green to red-brown smooth bark and angular branchlets with pith oil glands. The leaves are glossy green with a blade that is narrowly lanceolate and are 6 to 11.5 centimetres (2 to 5 in) long and 0.7 to 1.6 centimetres (0 to 1 in) wide.