Perrierodendron quartzitorum grows as a shrub or small tree up to 6 metres (20 ft) tall.

Its chartaceous to subcoriaceous leaves are obovate to elliptical in shape.

The inflorescences bear one to three flowers, each with five sepals and five white petals.

[3] Perrierodendron quartzitorum is found only in a single location in the Itremo Massif in the central region of Amoron'i Mania.

[2] Perrierodendron quartzitorum is threatened by nomadic animal grazing and seasonal uncontrolled wildfires.