Habit: Solanum microphyllum grows as a spreading, climbing medium shrub to 2 m. in height. Branches and leaves are pubescent (stellate) and have prickles in recurved pairs that are longer than the leaves or unarmed. The leaves are arranged alternately, to 2 cm in length, obovate, with a rounded leaf apex and entire leaf margin
The complete, perfect, actinomorphic flowers are solitary. The calyx has 5 unfused greenish sepals. The corolla has 5 unfused white petals. There are 5 stamens with yellow anthers. The ovary is superior with 2 locules and numerous seeds. The fruit is a berry that turns yellow-orange at maturity.
Habitat: Solanum microphyllum grows in exposed limestone Dry Broadleaf Evergreen Formation-Shrublands (scrublands) and open flats.
Distribution: Solanum microphyllum occurs on the central and southern island groups in the Lucayan Archipelago as well as Cuba and Hispaniola.
Medicinal/Cultural/Economic usage: Solanum microphyllum is not known to be used medicinally in the Lucayan Archipelago.