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Weed Identifier

New Weed For Identification

June 13th, 2011

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Date of Pictures: 06/01/2011
City/Town: Caen, France
Location & Habitat: Location in country side, 20 km from Caen, France.
Plant structure: Plant with Stem
Stems: Hairs
Leaf orientation: Opposite
Cotyledon shape: Don’t Know
Margins (perimeter of leaf): Deeply divided
Leaf Shape: Round to oval (length less than 2 times the width)

Fast growth. Length of stems up to 0,7 m. Several stems originating from the root. Deeply rooted. Appeared in my garden 3 month ago and disseminates quite rapidly.

 

Thank you for your web site and for all the information it provides.

 

Regards


 The above plant may be Heracleum sphondylium, but we cannot be 100% certain.

New Weed For Identification

June 13th, 2011

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Date of Pictures: 2011-06-15
City/Town: St. Thomas, ON
Location & Habitat:
Plant structure: Don’t Know
Stems: Don’t Know
Leaf orientation: Don’t Know
Cotyledon shape: Don’t Know
Margins (perimeter of leaf): Don’t Know
Leaf Shape: Don’t Know


 The above plant appears to be Cow Parnsip.

New Weed For Identification

June 12th, 2011

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Date of Pictures: 06/00/2011
City/Town: Meaford
Location & Habitat: Ontario, Canada
Plant structure: Plant with Rosette
Stems: Hairs
Leaf orientation: Don’t Know
Cotyledon shape: Don’t Know
Margins (perimeter of leaf): Don’t Know
Leaf Shape: Don’t Know

I have seen these growing in the lawn, and I had one pop up in a pot of soil that I got from the garden. Just wanted to know what this might be as I am going to let it keep growing. 


 The above plant might be silvery cinquefoil.

New Weed For Identification

June 12th, 2011

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Date of Pictures: 2011-06-12
City/Town:
Location & Habitat:
Plant structure: Plant with Stem
Stems: Round
Leaf orientation: Alternate
Cotyledon shape: Don’t Know
Margins (perimeter of leaf): Wavy
Leaf Shape: Round to oval (length less than 2 times the width)

This plant appeared for the first time this year in a shade garden under a spruce tree. The leaves are in pairs toward one side of the stem, then alternate with 2 on the other side of the stem about every 4″.  The flowers are single and white and hang down between the pairs of leaves.  They look like potato flowers.  It appears to spread primarily by runners, white roots that in this garden, ran about 4″ below the surface.  They reminded me of a member of the solanum family, but I couldn’t identify it from my books.  It also caused a minor reaction on my skin.  Thanks for any help that you might be able to  give me.   Lynne


 The above is most likely a Physalis sp. but we cannot make a deifinitive identification.

New Weed For Identification

June 11th, 2011

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Date of Pictures: 06/06/2011
City/Town: Windermere, Ontario
Location & Habitat: Shade, hillside, not sure what else to say.
Plant structure: Don’t Know
Stems: Hairless
Leaf orientation: Opposite
Cotyledon shape: Don’t Know
Margins (perimeter of leaf): Don’t Know
Leaf Shape: Don’t Know

The stem is triangle shape, it has three defined sides.


 The above is most likely goutweed.

New Weed For Identification

June 8th, 2011

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Date of Pictures: 06/03/2011
City/Town: Ottawa
Location & Habitat: Backyard - in flowers by fence
Plant structure: Don’t Know
Stems: Don’t Know
Leaf orientation: Don’t Know
Cotyledon shape: Don’t Know
Margins (perimeter of leaf): Don’t Know
Leaf Shape: Don’t Know

Not sure how to describe it.  Hope the photos will enable you to know what it is.  Concerned it might be the start of Giant Hogweed.


 The above plant is not giant hogweed, most likely Cirsium vulgare, Bull Thistle.

New Weed For Identification

June 8th, 2011

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Date of Pictures: 2010-07-01
City/Town:
Location & Habitat:
Plant structure: Don’t Know
Stems: Don’t Know
Leaf orientation: Don’t Know
Cotyledon shape: Don’t Know
Margins (perimeter of leaf): Don’t Know
Leaf Shape: Don’t Know


The above plant is most likely helleborine.

New Weed For Identification

June 8th, 2011

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Date of Pictures: 2011-07-19
City/Town: Burlington Ontario
Location & Habitat: Naturalized garden
Plant structure: Don’t Know
Stems: Don’t Know
Leaf orientation: Don’t Know
Cotyledon shape: Don’t Know
Margins (perimeter of leaf): Don’t Know
Leaf Shape: Don’t Know

the owner planted one plant last year and now there is 8 plants that look like that in his garden


 WE CANNOT IDENTIFY THE ABOVE PLANTS BASED ON THE PHOTO PROVIDED

New Weed For Identification

June 7th, 2011

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Date of Pictures: 06/02/2011
City/Town: Tottenham
Location & Habitat: This grows anywhere I cannot determine it’s preferences
Plant structure: Don’t Know
Stems: Don’t Know
Leaf orientation: Opposite
Cotyledon shape: Don’t Know
Margins (perimeter of leaf): Don’t Know
Leaf Shape: Round to oval (length less than 2 times the width)

Greetings,

I live on a rural property in Totten ham Ontario and have this nasty weed setting into every part of my yard, not sure what it is, I would like to read up on it.

Generally it creeps along and roots into the soill, it also has a hollow  stem…

I went through your entire listing  and thought it might be Chickweed, Stellaria media, Can you please confirm?  

Regards,

Ed Zacarias  

 


 ANSWER FROM WEEDINFO.CA

We cannot identify the above species, it may be Crown vetch.

New Weed For Identification

June 5th, 2011

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Date of Pictures: 06/06/2011
City/Town: Toronto
Location & Habitat: Grew on my balcony. Downtown.
Plant structure: Plant with Stem
Stems: Round
Leaf orientation: Opposite
Cotyledon shape: Don’t Know
Margins (perimeter of leaf): Don’t Know
Leaf Shape: Round to oval (length less than 2 times the width)


 ANSWER FROM WEEDINFO.CA

The above plant is common chickweed.