Habit: Argythamnia sericea grows as erect woody herb to 50 cm in height (typically shorter). The leaves are arranged alternately, obovate, to 3 cm in length with a cuspidate leaf apex, slightly serrate along the upper leaf margin. The leaf surface has appressed malpighiaceous trichomes.
The incomplete, imperfect, monoecious, actinomorphic, flowers are arranged in leaf axils. Staminate flowers with 4 greenish sepals and petals are reduced to a single stamen. Carpellate flowers with 5 greenish sepals and petals and a single superior carpel, with 3 locules and numerous seeds. The fruit is a capsule at maturity that splits along 3 suture lines. The entire floral structure is hirsute.
Habitat: Argythamnia sericea grows in Dry Broadleaf Evergreen Formation – Shrublands (coastal coppice) with a sand substrate.
Distribution: Argythamnia sericea is endemic, occurring in the southern island groupings of the Lucayan Archipelago.
Medicinal/Cultural/Economic usage: Argythamnia sericea is not known to be used medicinally in the Bahamas.