Melaleuca lepschii Craven & R.D.Edwards Phymatocarpus interioris is a plant in the myrtle family, Myrtaceae and is endemic to the south-west of Western Australia.

It is a shrub with many small heads of pink to purple flowers fading to white, often covering the plant for several weeks in spring.

Phymatocarpus interioris is an erect to spreading shrub which sometimes grows to a height and width of 2 m (7 ft).

[1][4] Phymatocarpus interioris occurs in and between the Lake King and Peak Charles districts[1] in the Mallee biogeographic region.

[1] Phymatocarpus interioris is classified as "not threatened" by the Western Australian Government Department of Parks and Wildlife.