Does anyone recognize this plant? It's growing in fresh water behind a neighbors house across from my backyard. I zoomed as close as I could get and cropped a couple of pictures for (hopefully) a better view. I've lived here four years and never noticed blooms but it may just be that I missed them cause I don't often pay much attention to that particular area. These plants seem to be @ 3 feet above the water line ... water level is probably about 1 foot right there.


My first thought was possibly Yellow Flag (Iris pseudacorus) but I really don't have a clue.

Lanceleaf Arrowhead (Sagittaria lancifolia)


https://www.google.com/search?...

I agree, Jay. Lin it is considered invasive.

http://plants.ifas.ufl.edu/nod...

Hmmm... I have had it in my rain garden for a couple of years with no problem. Now I have one of the smaller species that seems a bit aggressive.

I think the genus as a whole may be considered an aquatic invasive in open waterways Jay. Maybe it is only if disturbed that it tends to spread?

http://www.invasive.org/browse...

Neither of those sources are showing Sagittaria as an invasive. The first one ( University of Florida) is a list aquatics "and invasive". Not all the plants listed are invasive.
The page you reference at invasives.org is just a list a Sagittaria. If you go to this page and click on either Federal Noxious Weeds or Aquatics you will only see Sagittaria sagittifolia list. It is not a US native. If you click on State Noxious Weeds you will see that one plus Sagittaria graminea, which is only listed as noxious in Washington State.

http://www.invasive.org/specie...

Thats not to say that other species are not aggressive, they are just not considered invasive, which is a term used to describe species (usually not native to a particular area) which disrupt the natural ecosystem.

Thank you for clearing that up. My bad.

Thanks for the input y'all ... I had no clue of this plant's identity. Apparently there are a few Sagittaria that are native to Florida; S. lancifolia, S. graminea and S. latifolia: http://plants.ifas.ufl.edu/nod... and the one in my photo sure looks to be and fits the description of S. lancifolia.

Very cool plant. Do the leaves always become sagittate as they mature or are there different forms?

Every one I have ever seen both wild and in my garden look like the one in the photos.

Oops, lance I was looking at pics of S. latifolia. Thanks Jay!