Najas flexilis (Willd.) Rostk. & W.L.E.Schmidt  
Family: Hydrocharitaceae
nodding water-nymph, northern water-nymph, slender naiad
[Caulinia flexilis Willd., Fluvialis flexilis (Willd.) Pers., Najas caespitosus (Maguire) Reveal, Najas canadensis Michx., Najas flexilis subsp. caespitosus (Willd.) Rostk. & W.L.E.Schmidt, Najas flexilis var. congesta (Willd.) Rostk. & W.L.E.Schmidt, Najas flexilis var. robusta (Willd.) Rostk. & W.L.E.Schmidt]
Najas flexilis image
Paul Skawinski  
Etymology: Najas: from Greek Naias, a water nymph
Plants: submerged annual, to 40" tall, monoecious aquatic, can be slender and trailing or dense and bushy; stems very long, many branches; slight rootstock
Leaves: pale green, very narrow, to 2"L x 0.5"W, toothed edges, opposite, clasping stem, wide-sloped at base;
Flowers: tiny, from leaf axis
Fruits: glossy, paper-thin walls, 30-50 rows of small pits
Habitat: wet; clear 3' or more deep water; in sandy, gravelly soil
Conservation Status: Native
Najas flexilis image
Robert W. Freckmann  
Najas flexilis image
Paul Skawinski  
Najas flexilis image
Botanical Illustration  
Najas flexilis image
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