Plant ID forum: Lanceleaf Arrowhead (Sagittaria lancifolia); growing in water

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Name: Lin
Florida Zone 9b, 10a

Region: United States of America Deer Region: Florida Charter ATP Member Million Pollinator Garden Challenge I was one of the first 300 contributors to the plant database!
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plantladylin
Apr 24, 2015 5:32 PM CST
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.
Thumb of 2015-04-24/plantladylin/503f3b

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

~ Playing in the dirt is my therapy ... and I'm in therapy a lot! ~


Name: Jay
Nederland, Texas (Zone 9a)
Region: Texas Region: Gulf Coast Charter ATP Member I helped beta test the first seed swap I helped plan and beta test the plant database. I was one of the first 300 contributors to the plant database!
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Horntoad
Apr 24, 2015 6:02 PM CST
Lanceleaf Arrowhead (Sagittaria lancifolia)


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


Name: Jean
Prairieville, LA (Zone 9a)
Charter ATP Member Plant Identifier The WITWIT Badge Garden Sages Celebrating Gardening: 2015
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Moonhowl
Apr 24, 2015 8:52 PM CST
I agree, Jay. Lin it is considered invasive.

http://plants.ifas.ufl.edu/nod...
Name: Jay
Nederland, Texas (Zone 9a)
Region: Texas Region: Gulf Coast Charter ATP Member I helped beta test the first seed swap I helped plan and beta test the plant database. I was one of the first 300 contributors to the plant database!
Celebrating Gardening: 2015 Plant Identifier Tip Photographer Garden Sages Garden Ideas: Master Level Hibiscus
Image
Horntoad
Apr 24, 2015 9:02 PM CST
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.
wildflowersoftexas.com
texasnatureonline.com


Name: Jean
Prairieville, LA (Zone 9a)
Charter ATP Member Plant Identifier The WITWIT Badge Garden Sages Celebrating Gardening: 2015
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Moonhowl
Apr 24, 2015 9:23 PM CST
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...
Name: Jay
Nederland, Texas (Zone 9a)
Region: Texas Region: Gulf Coast Charter ATP Member I helped beta test the first seed swap I helped plan and beta test the plant database. I was one of the first 300 contributors to the plant database!
Celebrating Gardening: 2015 Plant Identifier Tip Photographer Garden Sages Garden Ideas: Master Level Hibiscus
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Horntoad
Apr 24, 2015 9:54 PM CST
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.
wildflowersoftexas.com
texasnatureonline.com


[Last edited by Horntoad - Apr 24, 2015 9:59 PM (+)]
Give a thumbs up | Quote | Post #837558 (6)
Name: Jean
Prairieville, LA (Zone 9a)
Charter ATP Member Plant Identifier The WITWIT Badge Garden Sages Celebrating Gardening: 2015
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Moonhowl
Apr 24, 2015 10:05 PM CST
Thank you for clearing that up. My bad. *Blush*
Name: Lin
Florida Zone 9b, 10a

Region: United States of America Deer Region: Florida Charter ATP Member Million Pollinator Garden Challenge I was one of the first 300 contributors to the plant database!
Garden Procrastinator Birds Butterflies Bee Lover Hummingbirder Container Gardener
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plantladylin
Apr 25, 2015 7:51 AM CST
Thumbs up 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.

~ Playing in the dirt is my therapy ... and I'm in therapy a lot! ~


Name: Evan
Pioneer Valley south, MA, USA (Zone 6a)
Charter ATP Member Aroids Irises I was one of the first 300 contributors to the plant database! Tropicals Vermiculture
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eclayne
Apr 28, 2015 4:34 PM CST

Moderator

Very cool plant. Do the leaves always become sagittate as they mature or are there different forms?
Evan
Name: Jay
Nederland, Texas (Zone 9a)
Region: Texas Region: Gulf Coast Charter ATP Member I helped beta test the first seed swap I helped plan and beta test the plant database. I was one of the first 300 contributors to the plant database!
Celebrating Gardening: 2015 Plant Identifier Tip Photographer Garden Sages Garden Ideas: Master Level Hibiscus
Image
Horntoad
Apr 28, 2015 5:31 PM CST
Every one I have ever seen both wild and in my garden look like the one in the photos.
wildflowersoftexas.com
texasnatureonline.com


Name: Evan
Pioneer Valley south, MA, USA (Zone 6a)
Charter ATP Member Aroids Irises I was one of the first 300 contributors to the plant database! Tropicals Vermiculture
Foliage Fan Bulbs Hummingbirder Lover of wildlife (Black bear badge) Composter Plant Database Moderator
Image
eclayne
Apr 28, 2015 5:39 PM CST

Moderator

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

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