It has rough bark on the trunk, smooth bark above, narrow lance-shaped adult leaves, flower buds in groups of nine or eleven, creamy white flowers and cup-shaped fruit.

[4] Eucalyptus leucophylla was once included in E. foecunda but has broader juvenile leaves, mostly smooth bark and a shorter, more rounded operculum.

[3][5] Eucalyptus foecunda was first formally described in 1844 by Johannes Conrad Schauer and the description was published in Lehmann's book Plantae Preissianae from a specimen collected at Freemantle.

[3] Narrow-leaved red mallee grows on limy sands near the coast of Western Australia between Lancelin and Mandurah.

[3] This eucalypt is classified as "not threatened" by the Western Australian Government Department of Parks and Wildlife.