A Jiàn Shǒu Qīng Snark: Do You Even Deserve to Be a Yunnaner?

In Yunnan, every mushroom season brings a collective frenzy that feels like a bout of “poisoning” (yes, that “poison” – the mushroom kind). But as wild mushrooms have crossed provincial borders and “gone viral” in recent years, there seems to be an unexpected drama every year stirring up the Yunnan wild mushroom market, affecting everyone along the chain, from foragers to restaurant owners. Just as A Bite of China once did for matsutake, the nursery-rhyme chant “red cap, white stem” did for Russula in 2021, and Big S (Barbie Hsu) did for truffle in 2022, this year jiàn shǒu qīng went straight viral, propelled by no less than US Treasury Secretary Janet Yellen.

One cannot help noting that Yellen’s visit brought an extraordinary windfall to mushroom sellers. In June, when jiàn shǒu qīng was already expensive, marketing slogans like “mushrooms first, little people later” elevated the mushroom to “jiàn shǒu jīn” – the golden hand-turning. Prices soared so absurdly that not even locals could manage a couple of mouthfuls this season (this poor soul included). Moreover, the Godmother of Wealth ordering four plates of stir-fried mushrooms in a single sitting was rather fearless – truly an honorary Yunnaner! By comparison, many born-and-raised locals are nowhere near so daring (my family, for instance).

Every Yunnan household is sure to have one designated mushroom stir-fry expert who never disappoints – no one dares eat mushrooms cooked by anyone else. In my family, it is always Mum who takes the pan, and every time we have jiàn shǒu qīng, we call the whole extended family together to share. Friends joke that this communal mushroom-feast is a case of “shared benefits, shared risks.” Of course, anyone who has eaten jiàn shǒu qīng together has earned a bond forged in life and death!

Lard and garlic, stir-fried and deep-fried, never allowed to stick together – this is Mum’s time-honoured secret for cooking mushrooms. Only when all the moisture is fried out and the oil’s aroma floods the kitchen does she let her long-sore arms rest.

When you gaze at those glistening mushrooms, convinced a proper feast is imminent, the elders will always caution: “Don’t be greedy” and “Don’t leave a single morsel on the plate.” And there is always at least one cautious soul who will not touch a single piece. Even after the meal is nearly digested, they still cannot help asking one another: “Did you see any little people?”

We eat mushrooms this cautiously because we are all too familiar with the thrill of poisoning striking from seemingly nowhere. It seems that if any step falls even slightly short, you might “see little people.” But we would never blame the mushroom itself for being toxic! (They are so delicious – what wrong could mushrooms possibly have done!) And then outsiders are baffled: “If they are poisonous, why do you eat them?”

Let us consider: Could “is it toxic” and “can you eat it” be two entirely different questions?

The Yunnan diet is full of foods that carry a “poisonous” edge – such as yam, konjac, taro flowers, green beans, broom flowers, and large white blooms, among others. Eating any of these without proper preparation can cause poisoning. “Toxic” wild mushrooms encompass fungi that are harmful to humans, or whose toxins can be neutralised through processing to render them edible; they also include fungi that are safe for humans but lethal to insects and other animals.

Some wild mushrooms contain one or more toxins harmful to humans, yet cooking, soaking, or pickling can remove or denature the toxins, making the fungi edible (even the fly agaric, reputedly the most deadly of all, has documented cases of consumption). Based on the target organs affected, experts in China classify mushroom-poisoning symptoms into seven categories: ① acute hepatotoxic type; ② acute renal failure type; ③ gastroenteritis type; ④ neuropsychiatric type; ⑤ haemolytic type; ⑥ rhabdomyolysis type; ⑦ photosensitivity dermatitis type.

Moreover, data from 223 species-identified poisoning cases in Yunnan between 2013 and 2022 revealed that all fell among the six categories other than the haemolytic type. Among neuropsychiatric cases, Lanmaoa asiatica ranked third by number of affected individuals, with the majority of incidents occurring in home settings; clinical treatment resulted in no fatalities.

This shows that red jiàn shǒu qīng (Lanmaoa asiatica) is indeed toxic, yet no fatalities have been recorded; cooking it thoroughly almost eliminates the risk of poisoning. Still, even with rich experience in preparation and handling, locals can stumble – while restaurants tend to be safer. This is because market regulations make establishments selling jiàn shǒu qīng exceptionally vigilant, keeping poisoning risk very low.

In truth, even within Yunnan, many people are unclear about exactly how jiàn shǒu qīng causes poisoning, or how the severity varies. In our local dialect, the word for poisoning is “nào zhe,” and we often joke about “seeing little people” – as though the casual, light tone of everyday language dilutes the fear of mushroom poisoning.

But this year, a rather unusual phenomenon emerged. Searching for “jiàn shǒu qīng” on major social platforms, you find a flood of non-Yunnan accounts posting about their purchases of red onion bolete. Many food bloggers have even put up cooking guides and tasting notes. But what followed was a sharp surge in poisoning cases outside Yunnan.

In previous years, when curious tourists from other provinces came to buy jiàn shǒu qīng, mushroom sellers would always stress: “Mildly toxic – eat sparingly.” This year, with “golden jiàn shǒu” generating such enormous traffic, the mushroom’s inherent poisoning risk was eclipsed by vast profit. Even nationwide fresh-food e-commerce platforms scrambled to list it. Thanks to cold-chain logistics and online marketplaces, diners with absolutely no experience can now purchase intensely local wild mushrooms without any barrier. However, a single click can ship you the mushrooms, but it cannot ship you the local experience and local mindset that go with wild mushrooms – nor, for that matter, the hospitals’ treatment expertise.

What is a “local mindset”? In my fieldwork, I once heard someone say: “If you eat too much, you get diarrhoea; take the wrong medicine, you feel dizzy. Feeling awful? Just… tough it out a little…” In plain terms, Yunnaner have grown so accustomed to wild mushroom poisoning that it hardly registers. Every single friend of mine who has been poisoned will excitedly recount their experience, complete with details of stomach pumping at hospital… But friends who lack that experience and mindset, once the effects of poisoning set in, are gripped by fear of the unknown and of death, and will rush helter-skelter to the nearest hospital. Yet hospitals outside Yunnan lack the experience and the techniques too…

The toxicity of jiàn shǒu qīng remains vaguely understood by the general public, and scientific knowledge of this fungus is only growing clearer year by year. Without instruments capable of detecting toxins, the only way to tell whether a mushroom is poisonous is to eat it and observe the consequences. So for foragers and diners who have no scientific means of identifying mushrooms, personal experience and culturally acquired knowledge are the most effective tools for distinguishing toxic fungi.

Before experts categorised fungi into “toxic” and “non-toxic,” ordinary people tended to classify mushrooms simply as edible or inedible. As scientific classification gradually permeated everyday life, fragments of folk custom blended in to form new sources of authority and discourse. Through toxic-mushroom guides, poisoning-prevention posters, and educational folk songs, people absorbed fragmented knowledge about wild mushrooms, forming a bewildering array of individual experiences and understandings. “Jiàn shǒu qīng” became a cognitive and cultural culinary prejudice – propagated, amplified, and remade.

Many outsiders cannot grasp this: a “toxic mushroom” is not necessarily inedible, and an inedible mushroom is not necessarily a “toxic mushroom.” Because “whether it is toxic” concerns the mushroom’s materiality, while “whether you can eat it” concerns its cultural meaning – what people often call “one person’s honey is another’s arsenic.”

Jiàn shǒu qīng was once simply a culinary custom of a small group within local knowledge. It shaped how locals perceive and accept “poison,” spawned a variety of methods for “detoxifying” it, and generated a body of ethnomycological knowledge for finding, identifying, sharing, and applying it. As wild mushrooms continue to entangle themselves with the wider world, jiàn shǒu qīng and the local knowledge surrounding it are gradually entering the public eye, and outsiders’ understanding is shifting from “is it toxic?” to “can you eat it?”

As for the “little people,” all I can say is: they are real! But you will not see them the moment you take a bite – so please, do not gamble with your health or mind just to “see little people.” Friends from elsewhere who fancy jiàn shǒu qīng, come to Yunnan! Question Yunnaner, understand Yunnaner, become Yunnaner!