Thryptomene mucronulata  Thryptomene mucronulata is a shrub species in the family Myrtaceae that is endemic to Western Australia. The erect shrub typically grows to a height of . It blooms between July and December, producing pink-white flowers. It is found on rises, swamps, drainage lines, and among rocky outcrops in the Wheatbelt and Mid West regions of Western Australia, where it grows in sandy to loamy to clay soils over laterite or granite.