Podostemum ceratophyllum, Congaree River, Richland County, South Carolina 2

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Podostemum ceratophyllum, _Congaree_River, _Richland_County, _South_Carolina_2, I_AMC9561
© Copyright Alan Cressler 2011

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Riverweed is an obscure aquatic plant that can be locally abundant in rivers and streams of reasonable water quality. It is uncommon in most areas of the south. I occasionally see the plant when I am working. I guess that says something about the quality of the streams I usually work in. I was working in South Carolina last week and after work I waded out into the beautiful Congaree River just below the confluence of the Broad and Saluda Rivers. Riverweed coated many of the submerged rocks. I noticed on some of the patches there were very small white structures. Upon closer inspection I determined they were flowers. All the flowers I saw were under water. I finally found a rock that was small enough to move to the surface for photos. The flowers are tiny. I assume that most colonies never bloom or simply go unnoticed. None of my botanist friends have ever seen it bloom. For more information:
plants.usda.gov/java/profile?symbol=POCE3


title Podostemum ceratophyllum, Congaree River, Richland County, South Carolina 2
date yyyymmdd hr:mn 2010:07:07 18:36:01
source Flickr
flickr_agent alan_cressler

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