Even in the Poison Garden, this little guy is in isolation.

Why? Because it is one of the most venomous and dangerous plants in the world - if you touch it, the sensation is likened to being burned and electrocuted at the same time, and the effects can persist for YEARS.

a 🧡
Dendrocnides moroides, also known as the stinging tree, or gympie gympie plant, is a native of Australia. And not one you want to get on the wrong side of.

The plant is covered in hairs, called trichomes, which are like little hypodermic needles.

πŸ“Έ wiki
They are the same kind of stingers as stinging nettles - they share a family - but this is WAY worse. The needles break off inside the skin at the slightest touch, and continue to release their toxin for months or years after, when touched or bathed or get warm

πŸ“Έ India times
Equally, if they are inhaled, expect sneezing, nosebleeds and possibly major respiratory damage.

The hairs persist, and it is still possible to be stung by specimens collected and dried 100 years ago.

πŸ“Έ electronic micrograph image of hairs by Marina Hurley
The toxin still isn't fully understood, but an associated peptide was named 'gympietide' after the plant in 2020, through ongoing research.

It is now being used to research future painkillers.
There is no antidote for the toxin which is reported to have forced people to be tied to beds for the pain, horses to go mad and at least one person to end their own life.

The best treatment seems to be wax or sticky tape to try to remove the hairs, but with limited success.
So I'm personally quite pleased that it's in a cabinet in Alnwick - and I'm sure their horticultural team are too.

But what a plant! 😱🌱
You can read more from @AlnwickGarden here : alnwickgarden.com/2023/07/04/gym…
Wow - the stinging tree is popular!

There's more fun plants, science and sapphics in my book:



Or check out more cool plants and gardens at https://t.co/cla6ZXkApE πŸ™‚ https://t.co/EODjZiWKR7suzannemoss.co.uk/library
rhs.org.uk

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More from @DrSueMoss

May 5
I'm going to level with you - this is boring stuff, but it is IMPORTANT if you work in horticulture so I'll post some nice pics with it.
🧡
The @HouseofCommons Education Committee have published their report into the future of post-16 quals.

[Here's a Clerodendrum - THE COLOUR] An awesome Clerodendrum ber...
Here's the report - you don't have to read it, but it's actually fairly accessible:
committees.parliament.uk/publications/3…

It looks at the direction of FE education in the UK, and Has Concerns.

They are the same Concerns the hort. industry has been shouting about for ages. Odd, that.
You may have heard about T'Levels - the 3 A'Level equivalent qualifications which will run parallel to Apprenticeships. Great in principle, in practice, a challenge. The idea was to remove funding from ALL other quals in favour of T'Levels and Apprenticeships.

The report says no
Read 13 tweets
Dec 29, 2020
Person of the day: Lady Mary Wortley Montagu.

ACTUALLY the first person to introduce inoculation to Britain.

Everyone always talks about Edward Jenner (who was awesome), but Lady Mary had a good 80 years head start on Jenner, but she's a woman, so we don't talk about it.

1/
Born in 1689 Lady Montagu knew her own mind. Early on she rejected her father's choice of suitor and eloped with a rising politician instead.

When he was posted to the Ottoman Empire as the British Ambassador, Mary insisted on accompanying him.

2/
She noticed that the Turks were not pock marked from the smallpox, like many people in Britain. After a bit of investigation, she found out why.

The local ladies had found a method of inoculation (called variolation), using smallpox scabs.

3/
Read 10 tweets
Dec 28, 2020
🌿Person of the day: John Coakley Lettsom🌿

Physician, abolitionist, naturalist, philanthropist, horticulturist and generally awesome person.

Here he is with his family at Grove House in Surrey with his greenhouse and plants squarely in frame

(pic - Wellcome images)
1/ Image
Born in 1744 on his father's plantation in the West Indies, he was sent to England for his education. He inherited the plantation on his father's death, and realised he was now the owner of MANY slaves.

So he freed them all and provided medical care to the local population.

2/
After completing his medical training at Leyden (thesis on the Tea Tree), he moved back to England and made his way in life as a prominent physician.

He bought a house at Grove Hill in Surrey where he had a museum, a library and a botanical garden

3/
Read 9 tweets

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