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Author Topic: How many plants in Britain are poisonous to humans?  (Read 696 times)

Offline P-Kasso2

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How many plants in Britain are poisonous to humans?
« on: 26 August, 2017, 12:40:01 PM »
I started wondering about this when I was admiring a friend's clump of Aconites - too bad they're poisonous!

Is there a list somewhere of poisonous plants in Britain? One with pics would be ideal.
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Offline Cosmos

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Re: How many plants in Britain are poisonous to humans?
« Reply #1 on: 26 August, 2017, 11:01:33 PM »
Tricky one to answer, P-K . Do you want only plants that are native to Britain or introduced ones too?

Another problem relates to which part of the plant . For example the tomato (and other species of the Solanum genus) ; the fruit are okay but the rest of the plant is highly toxic .
Bare barbarer barberer rabarbera bra .

Offline siasl

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Re: How many plants in Britain are poisonous to humans?
« Reply #2 on: 27 August, 2017, 08:42:30 AM »
Technically, the answer may well be "all of them" as too much of anything will kill you via some overload of some ingredient in the plant.

Also, there are some plants we eat where parts of the plant are poisonous - eg rhubarb leaves are not good for you, but the stalk is ok. Also, do you include cooking the plant as that can defang some toxins I believe.

Offline P-Kasso2

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Re: How many plants in Britain are poisonous to humans?
« Reply #3 on: 28 August, 2017, 08:35:50 PM »
Technically, the answer may well be "all of them" as too much of anything will kill you via some overload of some ingredient in the plant.

Also, there are some plants we eat where parts of the plant are poisonous - eg rhubarb leaves are not good for you, but the stalk is ok. Also, do you include cooking the plant as that can defang some toxins I believe.

Oooh it does get complicated, doesn't it! I was just thinking of plants, like deadly nightshade or fly agaric mushrooms for instance, where if you or a kid scoffed some seeds or munched some leaves would end up in A&E.

I know a few - but just wanted to know how long the list is. Roughly how many plants in Britain are poisonous to humans?
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