featherfoil: a plant of the genus Hottonia
aquatic plant: a plant that grows partly or wholly in water whether rooted in the mud, as a lotus, or floating without anchorage, as the water hyacinth
phytolaccaceae: chiefly tropical herbaceous plants (including shrubs and trees) with racemose flowers: genera Phytolacca, Agdestis, Ercilla, Rivina, Trichostigma