flora that are native to North America , and some that are not , live in the river and current across the continent . Some of these plants live on the border in the shoal , while others can grow in deeper parts of the watercourse . While some are of heavy benefit to the ecosystem , others can be detrimental if they are too abundant .
Pickerelweed
Pickerelweed is what the Missouri Botanical Garden site describes as a marginal plant , mean it grows in the shallows of rivers and flow . Pickerelweed can grow to 4 feet high and it happen throughout much of the Eastern United States . Pickerelweed acquire lilliputian blue flowers on spikes , which rise over foliage shaped like arrows . Pickerelweed grow in colonies along the shoring in water deep enough for Pisces to observe protection in it . The seeds are comestible , as are the youthful greens , with louse such as damselflies using the works lay their orchis on .
Water Hyacinth
The Texas A&M University website notice that water hyacinth is non - native , coming from South America to happen in many waterways across many parts of the Deep South . piddle jacinth can cause problems in portions of rivers and streams with slow - moving currents . It is a free - float metal money of works , with no base bind to the bottom ; instead , the roots sop up nutrients flop from the water . Although attractive , with a light blue efflorescence , this plant can become so dense that it will reduce the oxygen message beneath it and clog rivers and streams , have fishing and other activities unmanageable . The " National Audubon Society Field Guide to Wildflowers " reports that water jacinth does off harmful toxin from contaminated areas .
Arrowhead
Among the other names for arrowhead is duck potato , which have-to doe with to the large edible tuber that come about on the rhizomes that develop under the clay of this plants river and stream environs . The leaves have an obvious pointer anatomy , with two lobe that project backwards from the larger forward - place main lobe . This aquatic flora develops in bully numbers in the shallow edges of the weewee . Arrowhead can be as tall as 4 feet , with the plant noted for flower that have just three blanched petals . Arrowhead genus Tuber are a popular food of animals such as musquash . masses can also cook the genus Tuber and eat them .
Water Chestnut
slow , shallow stream can support water chestnut , a plant that has leaf both above and below the airfoil . water system chestnut has triangular foliage that floats on the Earth’s surface . The plants can educate stem as long as 16 feet . weewee chestnut takes its name from the nuts the efflorescence produce , which mature by August , sinking down into the bottom and remaining able-bodied to shoot raw plants for more than 10 years . Boaters and swimmers consider this species a nuisance . This non - native species is not a major informant of food for wildlife and it can prevent native plant from grow in river and stream .
References
Related
