Habit: Tetranthus bahamensis grows as a stoloniferous herb ranging outwards to 25 cm. The leaves are arranged oppositely, to 3 cm in length (usually smaller), ovate to reniform with a round to subacute leaf apex and entire margin. The leaves and stems have a sparse covering of pubescence.
The complete/incomplete, perfect/imperfect, actinomorphic flowers are arranged in solitary 4-flowered heads arising from leaf axils with 2 sterile and 2 fertile flowers. The head is subtended by 4 pubescent/ciliate phyllaries forming an involucre. The calyx is reduced to a short rim. The corolla has 5, fused, pubescent petals. There are 5 stamens that are fused to the inside of the corolla tube. The inferior ovary has a single locule. The fruit is a quadrangular achene.
Habitat: Tetranthus bahamensis grows in Dry Broadleaf Evergreen Formation – Shrublands (scrublands) and in Human Altered environments such as yards, roadsides and farms.
Distribution: Tetranthus bahamensis is endemic to the Lucayan Archipelago occurring in the central island groupings.
Medicinal/Cultural/Economic usage: Tetranthus bahamensis is not known to be used medicinally in the Bahamas.