Longan
Dimocarpus longan · Sapindaceae · also known as Dragon's eye, Lóngyǎn (龍眼), Mata kucing, Kelengkeng, Lamyai (ลำไย), Nhãn, Lungan
The "dragon's eye" — lychee's smaller, tan-shelled cousin with muskier honey flavor and a black seed staring from translucent flesh. Beloved fresh in summer, dried year-round in Chinese kitchens and teas.
At a glance
- Taste
- Sweet like lychee but drier, muskier, and less floral — honey and brown sugar over gentle grape. Dried longan concentrates into smoky caramel-date territory.
- Origin
- Southern China and mainland Southeast Asia
- Grown in
- China, Thailand, Vietnam, Taiwan, Cambodia, Philippines
- Peak season
- Summer, Autumn
- Notable varieties
- Shixia, Chuliang, Ido (Thailand), Kohala (Hawaii)
Sensory & practical profile
Taste fingerprint
- Sweetness
- Tartness
- Aroma
- Juiciness
- Firmness
Approximate, at peak ripeness · 0–5
- Ripe when
- Full, heavy sprays with unbroken tan shells that crack crisply under a thumbnail.
- How to eat
- Fresh in summer; dried "red dates" go into Chinese tonic soups and teas.
- Typical price
- Everyday
Its name means "dragon's eye" — shelled, the dark seed glows through the translucent flesh and stares back.
How to select & store
Picking a ripe one
Choose full, heavy sprays with unbroken tan shells that crack crisply under a thumbnail. Avoid dented or weeping fruit; a sour smell means fermentation has started.
Storing it
Better keeper than lychee — a week-plus refrigerated in a bag. Dried longan (shelled, seeded, raisin-like) keeps a year and is a pantry staple in its own right.
Practical uses
🍽️ Culinary
- Peeled and eaten by the branchful, chilled
- Longan sweet soups (tong sui) with lotus seeds and red dates
- Dried longan in herbal teas, congee, and braised dishes
- Canned longan over shaved ice and in fruit cocktails across Southeast Asia
🌿 Health & traditional
- A named tonic in traditional Chinese medicine (guiyuan) for blood, calm, and sleep — usually as dried fruit in decoctions
- Warming-food classification pairs it with cooling partners in TCM meal logic
🎎 Cultural
- The name means "dragon eye" — shelled fruit with its dark seed showing really does stare back
- Thailand's Lamphun province throws an annual longan festival; northern Vietnam's nhãn lồng of Hưng Yên was royal tribute fruit
Eating longan: what to know
What regular consumption looks like
Longan is a nutritious everyday fruit, best enjoyed as part of a varied diet. It is a good source of vitamin C (about 84 mg per 100 g), supporting immune function and helping the body absorb iron from plant foods.
Sensible amounts
A typical fruit serving is roughly a handful, one medium fruit, or about 80 g, and two or more varied fruit servings a day is a sensible everyday pattern.
Evidence & conditions
As a whole fruit, Longan contributes fibre, vitamins, and beneficial plant compounds, but it has not been shown to treat or prevent any specific condition — so it is best enjoyed as part of a healthy diet rather than as a remedy.
Safety notes
- Like its relative the lychee, longan is best eaten ripe and in moderation rather than in large quantities on an empty stomach.
Longan: frequently asked questions
What does longan taste like?
Sweet like lychee but drier, muskier, and less floral — honey and brown sugar over gentle grape. Dried longan concentrates into smoky caramel-date territory.
When is longan in season?
Longan is mainly a Summer and Autumn fruit, with exact months depending on the growing region and hemisphere.
How do you eat longan?
Fresh in summer; dried "red dates" go into Chinese tonic soups and teas.
How do you know when longan is ripe?
Full, heavy sprays with unbroken tan shells that crack crisply under a thumbnail.
Is longan good for you?
Longan is a nutritious everyday fruit, best enjoyed as part of a varied diet. It is a good source of vitamin C (about 84 mg per 100 g), supporting immune function and helping the body absorb iron from plant foods.
How much longan should you eat?
A typical fruit serving is roughly a handful, one medium fruit, or about 80 g, and two or more varied fruit servings a day is a sensible everyday pattern.
What else is longan called?
In Chinese it is 龍眼 / 龙眼, lóngyǎn — "dragon eye", after the way the peeled fruit's dark seed shows through translucent flesh. Malaysia calls it mata kucing, "cat's eye"; Indonesia kelengkeng or lengkeng; Thailand lamyai (ลำไย); Vietnam nhãn. English sometimes uses longana or simply dragon eye.
What is the difference between longan and lychee?
Longan is smaller, with a smooth tan-brown shell rather than lychee's bumpy pink-red one, and it ripens a few weeks later. In flavour, lychee is floral and rose-scented; longan is muskier, drier and more honeyed, with less acidity. Both peel by hand and both have a single inedible seed. Rambutan is the third cousin — same family, hairy red shell.
Are dried longans the same as red dates?
No, and the two are often confused because they appear together in the same Chinese soups and teas. Dried longan is the dark, sticky, smoky-sweet flesh of this fruit. Red dates or jujubes (Ziziphus jujuba) are a different fruit entirely, wrinkled and reddish. Many tonic recipes call for both at once, which is where the mix-up starts.
Shell a longan and you’ll see the name: translucent flesh with a glossy black seed glowing through — lóngyǎn, the dragon’s eye. It’s the lychee’s workaday cousin: smaller, tan instead of scarlet, less perfumed but sweeter-muskier, cheaper by the kilo, and a better keeper — the soapberry family’s daily driver rather than its show pony.
Two careers: fresh and dried
Fresh longan is a summer street fruit across China, Thailand, and Vietnam. But its second life matters just as much: dried longan — dark, chewy, honeyed — is a named ingredient in the Chinese pantry, dropped into tong sui dessert soups, eight-treasure congee, herbal teas, and TCM tonics for “nourishing the heart and calming the spirit.” Few fruits hold official positions in both the fruit bowl and the medicine cabinet.
Buying and eating
The shell should crack like a thin eggshell; inside, roll the flesh off the seed with your tongue and discard the pit. If choosing between longan and lychee at the same stall, the honest answer is both — with rambutan for the full soapberry trilogy.
If you like longan, try these
In season with longan
.jpg?width=800)
.jpg?width=800)
%20plum%20-%20Flickr%20-%20Matt%20Lavin.jpg?width=800)