Botany or Plant Biology
Shrub Varieties
Poisons and Toxins

Can being poked by pyracantha thorns result in poison-like reactions?


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2014-02-06 19:38:05
2014-02-06 19:38:05

Yes, being poked by pyracantha thorns can result in poison-like reactions.

Specifically, the shrub in question belongs to the genus Pyracantha. It includes among its common names "firethorn" because of the allergic reactions which contact may provoke in susceptible individuals. The woody plant shelters hydrogen cyanide (HCN) within its parts, especially the berries and the sap. The internal quantity of the toxic poison will be sufficient to irritate the skin through contact with sap and thorns or to provoke diarrhea and vomiting through ingestion of berries.


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Yes- but the thorns are going to make it VERY difficult to handle.

Pyracantha berries are edible, so you can eat them. I heard people make jelly out of them. Although Pyracantha or Fire Thorn has thorns that can cause a rash, Philadelphia Children's Hospital reports that they are not toxic unless eaten " large quantities." You should be reasonably safe on this one, barring allergies. See links.

Wild rabbits have stripped all of the bark off of my pyracantha bushes this winter. They have even chewed off some lower limbs and ate them, thorns and all. I am not sure about the berries, though, as they are up higher off of the ground.

Thorns are inherited. They result from genetics.

The poison in a Pyracantha is in such tiny amounts that being pricked by a thorn would not cause any problems. The above may be true but I have found on several occasions when pruning our Pyracantha that the almost inevitable pricks by the amazingly sharp thorns will often leave me with a very sore and red finger or arm. This goes away after 2 or 3 days. This is possibly due to the minute amounts of cyanide in the plants.

Very, VERY, carefully. I suggest leather gloves and long sleeves. You can prune at anytime year except dead of winter. Pyracacantha is a very fast grower and can get out of hand very quickly. I am not sure if Pyracantha thorns are poisonous, but I've have stuck with them and it left a very tender, sore and red spot. Be careful

Pyracantha is a shrubby evergreen plant that produces white flowers in early summer, followed in fall by usually orange or red-orange berries. It can produce some pretty fierce thorns, which is how it comes by its common name of "firethorn".

A pychantha bush has thorns, making it difficult to handle during moving. The best way to move it is to trim back the branches as much as possible. Grabbing it on the main stem using gloves will minimize the risk of injury.

The cactus and the rose aren't alone in having defensive thorns or thorn equivalents in the plant world. Among herbaceous plants are brambles. Among woody shrubs and trees are the Burford holly ['Ilex cornuta 'Burfordii'], firethorn [Pyracantha spp], greenbriar[Smilax spp], hardy orange[Poncirus trifoliata], hawthorn [Crataegus spp], and honey locust[Gleditsia triacanthos].

No they do not have thorns.

WHY DOES A CACTUS HAVE THORNSA cactus has thorns to protect itself.

No, carnations do not have thorns.

Chrysanthemums do not have thorns.

Ragweed does not have thorns.


The ISBN of If There Be Thorns is 0671729454.

No. Marijuana does not have thorns.

Chrysanthemums do not have thorns.

Of course not. Sunflowers do not have thorns as they are made from the sun and the sun does not have any thorns! STUPID! >:|

No, the "rattle" does not have any thorns on it.

Is there a rose bushthat has no thorns.

no they do not they produce cones not thorns

No, a cactus does not have thorns, it has spines.

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