Brazilian Elodea or Egeria: Egeria densa
||Weed Description: Submersed aquatic
weed that can be found throughout the southeastern United States in ponds, lakes, streams,
Stems: May reach 6 feet in
length and are freely branching. Roots can be formed in the areas where the
branching occurs. Stems can be either rooted below or free-floating.
|Leaves: May occur in whorls of
3 to 6 but are most commonly found in whorls of 4. Individual leaves are linear to
oblong in outline, approximately 1 to 1 1/4 inches long and 5 mm wide. Leaves have
leaf margins that are finely toothed, but these are hardly noticeable without a magnifying
glass. The undersides of the leaf midribs are smooth and without teeth unlike those
||Flowers: Consist of 3 white petals
and 3 green sepals. Individual flowers are relatively large and showy, with petals
that are approximately 1/3 inch long. Flowers usually appear just at the water
surface due to long (1 to 4 inches) flower stalks (pedicels) that arise from the areas
between the leaves and the stems (leaf axils).
|Identifying Characteristics: Submersed
aquatic weed with leaves arranged in whorls of 3 to 6 and showy flowers with 3 white
petals. Brazilian elodea may be easily mistaken for Hydrilla. However,
hydrilla has leaves with teeth on the undersides of the leaf midribs and also has much
smaller flowers. Hydrilla also produces tubers unlike Brazilian elodea.