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Project Noah Nature School
Sparganium erectum
Perennial semiaquatic plant, of 0,3-2 m high, with winding, crawling and leathery rhizomes. It can be distinguish due to the inflorescence, very branchy. The leaves are the prolongation of a long sheath very close fitted to the stem. They are erect, linear, graminea-like, with a triangular section at the base and flat at the tip. The flowers appear in glomerula situated in branchy inflorescences. They are unisexual with external shells, dry and papyre-like. Seeds have 6-10 longitudinal ribs. It blooms during late spring and summer.
Spotted at a small stream close to the sea.
Camera Model: NIKON D300. Exposure Time: 1/800 sec.; f/14; ISO Speed Rating: 800. Exposure Bias: 0 EV. Focal Length: 300.0 mm. No flash
Spotted on Aug 20, 2013
Submitted on Nov 13, 2013
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