200 views, August 8, 2013

Taken on June 23, 2012 at Moore’s Beach not far from Westmeath, Ontario, Canada
M, shutter speed 1/160, F/5.6, ISO 400, focal length 55mm.

Lorilee has sent me some information about this weed – very invasive, it seems. The information seems to be from the State of Indiana and relates to the identification and control of invasive species -… and here it is:

Origin:
Crown vetch is from the Mediterranean region of Europe, northern Africa and southwest Asia. It was introduced to the United States in the 1950’s and was primarily used for erosion control. Its use for erosion control has greatly decreased in Indiana, given both its invasiveness and the availability of species that are much better at controlling erosion.

Problem:
Crown vetch becomes a problem when it invades natural areas, such as native grassland prairies and dunes, where it works to exclude native vegetation by fully covering and shading those native plants. It can climb over small trees and shrubs, and eventually form large monocultures. It seeds prolifically, but can also rapidly spread by rhizome growth. Due to its nitrogen fixing capabilities, it has the capacity to adversely affect the nitrogen cycle of the native communities that may depend on infertile soils. It can also alter available fuel loads in fire-adapted ecosystems, changing fire intensity

Description:
Crown vetch is a perennial herb in the pea/legume family. It has spreading to diffuse, creeping stems that can reach two to six feet in length. The leaves are dark green, compound and bear fifteen to twenty-five leaflets. The seed pods are narrow, segmented, pointed, borne in crown-like clusters and may be two to three inches long. The pea-like, pinkish-white to deep pink flowers occur in clusters at the end of extended stalks and appear from late spring through summer. Crown vetch has a multi-branched root system and can spread by its strong rhizomes.

Love my camera and am working to improve. My photos are generally taken with a Nikon D3000 with either an AF-S Nikkor 18-55mm lens or a 55-300 mm lens. European shots and a number of more recent ones were taken with a Sony Cybershot camera. I have a new IMAC and play with the iPhoto program. I also crop judiciously. Constructive criticism is welcome.

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Comments

  • lorilee
    lorileeover 2 years ago

    This is Crownvetch . . . this is a VERY invasive wildflower . . . in fact, the prairie near my home is struggling with this nuisance!! Here’s a link for you: Crownvetch

  • Thank-you so much for the information and identification. I don’t believe I have ever seen this plant before but it was in an area where ther are a number of interesting wildflowers, near the shore of the Ottawa River. Definitely off the beaten path but likely to be overcome………..What a shame.

    – goddarb

  • Vickie Emms
    Vickie Emmsover 2 years ago

    Please take a look on the homepage of Wildflowers of NA, and is also featured by Tracy Faught, Alsika Clover looks the same as your flower Goddarb?

  • Vickie I thought that Tracy’s clover was this flower too but it didn’t make sense with the way the leaves appear. Thanks so much.- I think Lori’s right too. You are both fabulous about setting me straight!!

    – goddarb

  • Vickie Emms
    Vickie Emmsover 2 years ago

    Ignore my comment, Lori is right, it’s Crownvetch

  • Photos - Pauline Wherrell
    Photos - Pauli...over 2 years ago

    Lovely capture Beth!

  • This is another example of the dreaded beautiful weed syndrome. I had never seen it before and it took some work to identify it. (I do have great help though!!) Thank-you very much.

    – goddarb

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