White Snakeroot

Posted by WiseAcre on Sep 19th, 2008
2008
Sep 19

Eupatorium rugosum

White Snakeroot

Snakeroot is a native woodland wildflower in the same family as Boneset and Joe Pye Weed. They bloom in late summer - fall and have flat topped flower clusters. The clusters look fuzzy until you get a close up view.

I gave myself trouble when identifying this plant. Every field guide and on-line photo showed the fuzzy look and I had something that looked quite different in a macro. I could match the leaves, the fuzzy look but the macro photo just made me wonder.

This plant is poisonousand is known to cause ‘milk sickness’. When eaten by cows the toxins are passed to the cow’s milk. Consuming such milk causes weakness and nausea. Death may occur.

It has been reported fatal to horses.

Native Americans made a poultice from White Snakeroot used to treat snakebites.

White Snakeroot

As you can see - there’s nothing fuzzy looking about the flowers when you have a bee’s eye view.

4 Responses

  1. kml Says:

    The cows do not get sick? They just pass it along in their milk? The dairy farmers must really be on the lookout for it - they don’t want to be selling contaminated milk. Very interesting post!
    kml,

    kml,
    Yes cows can get sick and die when they eat enough. The toxic effect is cumulative. A cow eating 1/2 to 2% of it’s body weight will develop symptoms. That’s a lot of plant material though. I

    Fewer and fewer cows ever see a ‘pasture’ theses days. Most dairy farms have taken a feedlot approach and manage the diet very closely.

  2. rosemary Says:

    it is a beautiful flower

    rosemary,
    Although you need a macro to see the details in the individual flowers. Either that or my eyes are getting weaker and need them checked again.

  3. Aiyana Says:

    It is a pretty plant, even if dangerous.
    Aiyana

    Aiyana,
    Yep, one reason I don’t munch anything until I get a positive ID.

  4. Mr. McGregor's Daughter Says:

    I used to grow this plant. I really liked it, but I didn’t like it enough to have it everywhere crowding out everything else. I started trying to deadhead it, but I ended up having to cut off blooms too. That’s when I realized it was time to recycle it to the compost pile.

    Mr. McGregor’s Daughter,
    It really is a good looking woodland plant. Blooming in late summer - fall would make it a great addition to a shade garden if it wasn’t so dangerous. Since I live in “Dairy Land” I wouldn’t consider it since I don’t want to it to gain territory. I even considered pulling out the stands I found.

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