Calytrix parvivallis is a species of plant in the myrtle family Myrtaceae that is endemic to Western Australia.
The shrub typically grows to a height of 0.25to. It usually blooms in October producing purple flowers.
Found a small area in the Wheatbelt region of Western Australia near Dowerin where it grows on sand or loam soils. The species was first formally described by the botanist Lyndley Craven in 1987 in the article A taxonomic revision of Calytrix Labill. (Myrtaceae) in the journal Brunonia.[1]