Etymology: Najas: from Greek Naias, a water nymph
Plants: submerged annual, monoecious aquatic; stems very long, many branches; slight rootstock
Leaves: light green, very narrow, to 2"L x 1"W, toothed edges, 13-17 per side, opposite, clasping stem, wide-sloped at base
Flowers: tiny, from leaf axis
Fruits: dull, paper-thin walls, 20-40 rows of deep angled pits
Habitat: wet; clear 3' or more deep water; in sandy, gravelly soil
Conservation Status: Native

Flora of North America: Flora of North America Floristic Rating: Coefficient of Conservatism = 8, Wetland Indicator = OBL USDA Plants Database: Federal Distribution and detailed information including photos