Robert W. Freckmann Herbarium


  Najas flexilis (Willd.) Rostk. & W.L.E.Schmidt image
Photographer: Robert W. Freckmann           

Botanical Illustration

Paul Skawinski

Paul Skawinski
Family Najadaceae
Najas flexilis (Willd.) Rostk. & W.L.E.Schmidt
nodding water-nymph, northern water-nymph, slender naiad
Najas: from Greek Naias, a water nymph
flexilis: flexible, pliant, limber
County distribution map- click for detailed distribution maps.
Detailed Distribution:
Town Range Maps
Google Dot Maps
Status: Native
Plant: submerged annual, to 40" tall, monoecious aquatic, can be slender and trailing or dense and bushy; stems very long, many branches; slight rootstock
Flower: tiny, from leaf axis
Fruit:glossy, paper-thin walls, 30-50 rows of small pits
Leaf:pale green, very narrow, to 2"L x 0.5"W, toothed edges, opposite, clasping stem, wide-sloped at base;
Habitat: wet; clear 3' or more deep water; in sandy, gravelly soil
Notes: occasionally leaves bunch together at leaf axils, very variable
(Glossary)

More Information Natural Communities Herbarium Specimens
All Najas list Google- Images or Text

Flora of North America (off site)
Synonyms 
Caulinia flexilis Willd.
Fluvialis flexilis (Willd.) Pers.
Najas caespitosus (Maguire) Reveal
Najas canadensis Michx.
Najas flexilis (Willd.) Rostk. & W.L.E.Schmidt subsp. caespitosus Maguire
Najas flexilis (Willd.) Rostk. & W.L.E.Schmidt var. congesta Farw.
Najas flexilis (Willd.) Rostk. & W.L.E.Schmidt var. robusta Morong

         
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