Philotheca myoporoides subsp. petraea is a subspecies of flowering plant in the family Rutaceae and is endemic to a small area in Victoria, Australia. It is an erect shrub with leathery, egg-shaped leaves with the narrower end towards the base, and white flowers arranged singly or in groups of up to four in leaf axils.
Philotheca myoporoides subsp. petraea is an erect shrub that typically grows to a height of with glabrous, green, prominently glandular-warty stems. The leaves are leathery, egg-shaped with the narrower end towards the base, long, wide and V-shaped in cross-section. The flowers are arranged singly or in groups of up to four in leaf axils on a peduncle long, each flower on a pedicel long with conspicuous bracteoles at the base. The sepals are semicircular, about long and wide, the petals elliptical, white, about long and wide. The stamens are free from each other and hairy. Flowering has been observed in November.[1] [2]
This subspecies was first formally described in 2001 by Andrew Carl Frank Rozefelds in the journal Muelleria from specimens collected on Mount Stewart in East Gippsland in 1995.[3]
This subspecies is only known from the summit of Mount Stewart near Gelantipy where it grows in rocky shrubland at an altitude of about .