Habit: Cienfuegosia yucatanensis grows as a glabrous perennial herb. The leaves are arranged alternately, linear to 5 cm in length, with an entire leaf margin (sometimes 3-lobed), acute/acuminate leaf apex. The leaves have stellate pubescence and there are stipules.
The complete, perfect, actinomorphic flowers are solitary in leaf axils and subtended by bracts. The calyx has 5 fused green sepals. The corolla has 5 unfused yellow petals. There are numerous stamens fused together around the style in a column. The ovary is superior with 3 locules and numerous seeds. The fruit is a loculicidal capsule.
The vegetation and flowers have punctate spots.
Habitat: Cienfuegosia yucatanensis grows on the edges of Fresh Water wetlands, in ephemeral Fresh Water wetlands as they dry up, grassy areas and in Human Altered environments.
Distribution: Cienfuegosia yucatanensis occurs in the south and central island groupings of the Lucayan Archipelago, Cuba, the Yucatan Peninsula, and Florida.
Medicinal/Cultural/Economic usage: Cienfuegosia yucatanensis is not known to be used medicinally in the Lucayan Archipelago.