The specific epithet rodoense is for the Irodo River (or Rodo), where the species was studied.

[3] Perrierodendron rodoense grows as a tree up to 12 metres (40 ft) tall with a trunk diameter of up to 50 cm (20 in).

The inflorescences bear a single flower with five sepals and five whitish petals.

[3] Perrierodendron rodoense is known only from a single location in the Irodo basin in the northern region of Diana.

Its habitat is dry forests from sea level to 500 m (1,600 ft) altitude.