Peltandra sagittifolia, commonly known as the white arrow arum, is an herbaceous perennial aquatic plant native to the southeastern United States. It is a member of the Araceae family, which includes other well-known plants like calla lilies and philodendrons. This species is recognized for its distinctive arrow-shaped leaves and its unique inflorescence, contributing to the biodiversity of wetland ecosystems. The growth habit of Peltandra sagittifolia is clump-forming, typically reaching heights of 1 to 3 feet. Its most striking feature is its large, sagittate (arrowhead-shaped) leaves, which emerge directly from the rhizome. These leaves are glossy green, with prominent veins, and can grow up to 2 feet long and 1.5 feet wide. The petioles, or leaf stalks, are long and stout, supporting the substantial foliage. The plant produces a spathe and spadix inflorescence characteristic of the Araceae family. The spathe is a modified leaf that encloses the spadix, which bears numerous small flowers. In Peltandra sagittifolia, the spathe is typically white or greenish-white, often with purplish streaks, and is about 4 to 8 inches long. The spadix is usually shorter than the spathe and is densely covered with tiny flowers. Following pollination, the plant develops a fleshy, elongated fruit, often referred to as a berry, which contains one or more seeds. Peltandra sagittifolia is found in its native range in shallow, slow-moving water bodies such as swamps, marshes, ditches, and the edges of ponds and streams. It thrives in full sun to partial shade and prefers moist to wet, nutrient-rich soils. While it is adapted to aquatic environments, it can also tolerate consistently damp soil in garden settings. Cultivation requirements include consistent moisture and protection from prolonged drought. It is generally hardy in USDA hardiness zones 7 through 10. Ecologically, Peltandra sagittifolia plays a role in wetland habitats by providing cover and contributing to the overall plant community. The flowers attract pollinators, and the fruits are consumed by some wildlife. Historically, some indigenous peoples utilized parts of the plant, though specific documented uses for Peltandra sagittifolia are less common compared to its close relative, Peltandra virginica. It is important to note that like many members of the Araceae family, Peltandra sagittifolia contains calcium oxalate crystals, which can cause irritation if ingested or handled improperly, and therefore it is not considered edible. A notable characteristic of Peltandra sagittifolia is its adaptation to its wetland environment. The rhizomatous root system helps anchor the plant in soft substrates and allows for vegetative propagation. The large leaves are efficient at capturing sunlight in open wetland areas. The plant's ability to thrive in waterlogged conditions highlights its specialized physiology for such habitats.