Episode 306 part four: treacherous remission
On The Ledge | Grow houseplants with the experts
Jane Perrone
4.9 • 782 Ratings
🗓️ 27 October 2025
⏱️ 5 minutes
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Summary
For full show notes visit https://www.janeperrone.com/on-the-ledge/2025/10/24/episode-306-the-atlas-of-deadly-plants
My new book The Atlas of Deadly Plants is out this week, published by Greenfinch, so I thought I'd celebrate by offering up a series of mini-podcast episodes digging into some of the themes and facts from the book - just in time for Halloween!
In this mini-ep I talk about two terms you might hear in connection with plant poisonings - treacherous remission and therapeutic range.
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Transcript
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| 0:00.0 | Hello and welcome to On the Ledge podcast, the Atlas of Deadly Plants Minisodes. Number four. |
| 0:28.9 | I hope you've entered the competition. If you haven't done so already, check the Minisode |
| 0:35.0 | episode three yesterday's episode to find out how you can enter to potentially |
| 0:41.2 | win one of five copies of this book. |
| 0:48.3 | Today is a short but sweet episode about some of the terms that I use in the book. There's quite a lot of |
| 0:55.6 | jargon in the world of poisonous plants and I thought I'd break down a couple of interesting |
| 1:01.1 | terms for you today. The first one is called treacherous remission. Tretcherous remission. What on earth |
| 1:10.2 | does that mean? Well, in a nutshell, it means when you think you're |
| 1:14.9 | getting better and actually you are getting worse and need to go to the hospital, quicksmart. So treacherous |
| 1:22.9 | remission often occurs in poisoning cases, particularly fungus poisoning cases, where you start off with |
| 1:32.2 | gastrointestinal symptoms. So you think you've got food poisoning or a tummy bug because you're |
| 1:37.6 | throwing up or you've got diarrhea or your stomach is sore. And unless you connect it to something that you've eaten in the form |
| 1:47.7 | of perhaps a foraged plant, you don't realise that you've been suffering from a plant |
| 1:54.8 | poisoning. So you mistake the symptoms for gastro and then that goes away and you start feeling better and unfortunately |
| 2:03.7 | you are then likely to not seek medical help in many cases this is the moment at which the toxins |
| 2:11.4 | are really getting to work on the rest of your body and that can be be very serious. Treacherous remission is definitely |
| 2:19.1 | something that happens in an already difficult situation for medics where they are often on |
| 2:26.1 | a detective hunt to try to figure out what you've eaten. If you don't know what you've eaten and you |
| 2:33.3 | can't identify it, it can be a real puzzle. |
| 2:37.6 | As I say, lots of the symptoms, echo symptoms of other conditions. |
| 2:43.9 | To give you an example from the book, the deadly webcap, Cortinarius Rebellus, is one of those species where often treacherous remission |
| 2:54.3 | will occur with poisoning cases by this particular one. Deadly webcap symptoms, if you've eaten one |
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