Sagittaria is a genus of about 30 species of aquatic plants whose members go by a variety of common names, including arrowhead, Katniss, duck potato, swamp potato, tule potato, and wapato. Most are native to South, Central, and North America, but there are also some from Europe, Africa, and Asia.
Sagittaria fasciculata, the bunched arrowhead is a plant found in a small number of wetlands in the Southeast United States.
Sagittaria montevidensis is a species of flowering plant in the water-plantain family Alismataceae. Common names include giant arrowhead and California arrowhead.
Sagittaria secundifolia, also known as Kral's water plantain or Little River arrowhead is an endangered aquatic plant endemic to banks along the Little River of the U.S. states of Alabama and Georgia.
Sagittaria lancifolia, the bulltongue arrowhead, is a New World perennial, monocot plant in the family Alismataceae, genus Sagittaria, with herbaceous growth patterns.
Sagittaria cuneata is a North American species of flowering plant in the water plantain family known by the common name arumleaf arrowhead or duck potato. Like some other Sagittaria species, it may be called wapato.
Sagittaria longiloba is a North American species of flowering plant in the water plantain family known by the common name longbarb arrowhead and Gregg arrowhead.
Doellingeria infirma, the cornel-leaf whitetop or cornel-leaved aster, is a perennial forb native to the eastern United States, that produces white composite flowers in late summer.
Sagittaria australis, the Appalachian arrowhead or longbeak arrowhead, is a plant found in North America. It is a perennial herb up to 130 centimetres tall. It is an unusual Sagittaria species in that it has a 5-winged petiole. The flowers are up to 3 cm (1 in) in diameter, white, producing an achene with a recurved beak.
Malaxis bayardii, or Bayard's adder's-mouth orchid, is a species of orchid native to northeastern North America. It is found from Massachusetts to North Carolina, with isolated populations in Ohio and Nova Scotia. There are historical reports of the plant formerly growing in Vermont and New Jersey, but it seems to have been extirpated in those two states It grows in dry, open woods and pine barrens at elevations of less than 600 m.
Najas gracillima, the slender waternymph, is a submerged species of aquatic plant in the Hydrocharitaceae family. found in lakes and streams. It is native to China, Russian Far East, Japan, Korea, Taiwan, Iran, Alberta, Ontario, Newfoundland, Nova Scotia, New Brunswick, the eastern United States. It is also considered introduced and naturalized in France, Spain, Italy and California.
Sagittaria papillosa, the nipplebract arrowhead, is a perennial plant species growing up to 120 centimetres tall. Petioles are triangular in cross-section, the leaf blade very narrowly elliptical to ovate, not lobed. The species is distinguished from others in the genus by having bumps (papillae) resembling nipples on the flower bracts.
Sagittaria cristata, the crested arrowhead, is a perennial herb growing up to 75 centimetres tall. The leaves are flat, long and narrow, not lobed, and up to 40 cm (16 in) long. The flowers are white.
Sagittaria ambigua, the Kansas arrowhead, is an aquatic plant species native to North America. It is a perennial herb growing up to 90 centimetres tall. The leaves are broadly lanceolate, the blade up to 20 cm (8 in) long and 12 cm wide.
Sagittaria brevirostra, common name Midwestern arrowhead or shortbeak arrowhead, is an aquatic plant species native to North America. It is a perennial herb growing up to 70 centimetres tall, with arrow-shaped leaves and white flowers.
Sagittaria filiformis, the threadleaf arrowhead, is a perennial aquatic plant growing up to 170 centimetres tall. Some leaves are thread-like, entirely underwater, but others are narrowly ovate or lanceolate and floating on the surface.
Sagittaria engelmanniana is a perennial aquatic plant growing up to 70 centimetres tall. The leaves are sagittate (arrow-shaped) with 3 very narrow lobes.
Sagittaria graminea, the grassy arrowhead or grass-leaved arrowhead, is an aquatic plant species native to eastern North America.
Sagittaria guayanensis, the Guyanese arrowhead, is a perennial aquatic plant species native to both the Old and New World. It has broadly hastate (arrow-shaped) leaves with ovate lobes.
Sagittaria subulata, the awl-leaf arrowhead, narrow-leaved arrowhead or dwarf sagittaria, is an aquatic plant species.
