Habit: Petitia domingensis grows as a large shrub to tree to 15 meters in height. The simple leaves are arranged oppositely to 20 cm long and 8 centimeters wide. They are ovate with an entire leaf margin and an acute leaf apex. The abaxial surface is lighter colored with prominent yellow veins.
Petitia domingensis is monoecious. The incomplete, imperfect, actinomorphic flowers are arranged in panicles in leaf axils. The calyx has 4 green, fused sepals. The corolla has 4 white, fused petals. In staminate flowers, there are 4 unfused stamens and a non-functional carpel. In carpellate flowers there are 4 staminodes and a superior ovary with 4 locules and 4 ovules. The fruit is a red/black berry at maturity.
Habitat: Petitia domingensis grows in Dry Broadleaf Evergreen Formations-Forests/Shrublands and Pine Woodlands.
Distribution: Petitia domingensis occurs throughout the northern island groupings of the Lucayan Archipelago and the Caribbean.
Medicinal/Cultural/Economic usage: Petitia domingensis is used medicinally in the Lucayan Archipelago to treat respiratory problems.