49 Fun Facts About Orange

Botanically, the sweet orange is a hybrid between the mandarin and which other citrus fruit?

Genome analysis puts it at roughly 42% pomelo and 58% mandarin; the grapefruit in turn arose from a sweet orange crossed back with pomelo.

The earliest known mention of the sweet orange, from 314 BC, appears in the literature of which country?

The fruit was domesticated in a region spanning southern China, northeast India and Myanmar; it does not exist in the wild.

Which country produced the most oranges in 2024, about 23% of the world total?

About 67 million tonnes were grown worldwide, with China and Mexico next.

Oranges sit on a chest and windowsill in which famous Jan van Eyck painting?

In the Arnolfini Portrait, oranges rest on the chest and windowsill beside the couple, a sign of wealth in 1434 Bruges; Botticelli later set his Primavera in an orange grove.

What did Louis XIV confiscate from Nicolas Fouquet's estate after condemning him in 1664?

Louis XIV seized over 1,000 orange trees from Fouquet's estate at Vaux-le-Vicomte and added them to his own collection, later housed in the great Orangerie at Versailles.

Which explorer may have planted the first oranges in the Americas, on Hispaniola in 1493?

Christopher Columbus is thought to have planted the first orange trees in the Americas on Hispaniola in 1493, on his second voyage; Spanish expeditions later carried the fruit to Mexico and Florida.

Which Riverside, California woman planted two navel orange cuttings in 1873, founding the state's citrus industry?

Eliza Tibbets planted two navel orange trees sent by the USDA from Washington in 1873; fruit from her Riverside trees became the Washington navel, the foundation of California's citrus industry.

The word 'orange' ultimately traces back to which language family?

The root is Dravidian (Tamil nāram, Telugu nāriṃja); it travelled through Sanskrit nāraṅga, Persian nārang and Arabic nāranj before reaching Old French as pomme d'orenge.

What is the process called by which French 'une norenge' was reheard as 'une orenge'?

This is juncture loss, also called rebracketing: English 'an apron' (from 'a napron') and 'an adder' (from 'a nadder') were reshaped the same way.

The earliest recorded English use of 'orange' as a colour name, in 1502, described what?

The Oxford English Dictionary's first citation of orange as a colour word, from 1502, describes clothing bought for Margaret Tudor, Henry VII's daughter, who married James IV of Scotland in 1503.

Before the fruit gave the colour its English name, what was the colour usually called?

Old English speakers called the colour yellow-red, ġeolurēad, and used ġeolucrog, 'yellow-saffron', for the yellower shades; 'orange' became an English colour word only in the early 1500s.

Human eyes see orange when light has a dominant wavelength in roughly which range?

Orange spans roughly 585–620 nanometres, between yellow (about 570–590) and red (above 620) on the visible spectrum; in the HSV colour space its hue is 30 degrees.

In painting, which colour is traditionally treated as the complement of orange?

Van Gogh wrote to his brother Theo about seeking 'the oppositions of blue with orange'; the strict optical complement is closer to azure.

The orange colour of carrots, pumpkins and oranges comes from which pigments?

Carotenes, chiefly beta-carotene, colour carrots, pumpkins and orange peel; the same carotenoid pigments show through in autumn leaves once the chlorophyll breaks down.

Which famous structure is painted 'international orange' to make it more visible in fog?

The Golden Gate Bridge has worn 'international orange' since it opened in 1937; consulting architect Irving Morrow chose the shade because it stands out against the bay's fog.

Orange is the national colour of which country?

Orange is the Dutch national colour, taken from the royal House of Orange-Nassau; the heir apparent to the Netherlands' throne bears the title Prince or Princess of Orange.

The House of Orange takes its name from a tiny principality just north of which French city?

The Principality of Orange, about 108 square miles around the town of Orange just north of Avignon, passed to William the Silent in 1544, giving the House of Orange-Nassau its name.

What was the Latin name of the Roman colony at Orange in Provence, founded by legion veterans?

Arausio, founded around 35 BC for veterans of the Second Legion, became modern Orange; its first-century theatre is among the best preserved Roman theatres and hosts the Chorégies d'Orange festival.

Which soft-drink brand, famous for its orange flavour, did Coca-Cola's German arm create in 1940?

Fanta was created in 1940 by Max Keith of Coca-Cola Deutschland when wartime embargoes cut off Coke syrup; the orange version was first made in Naples, Italy, in 1955.

In which year was the Protestant Orange Order founded in County Armagh?

The Orange Order was founded in 1795 at Loughgall, County Armagh, after the Battle of the Diamond; it commemorates William of Orange's victory at the Boyne in 1690.

The Orange River, South Africa's longest, rises in the Drakensberg mountains of which country?

The Orange rises in the Lesotho highlands, the Drakensberg–Maloti range, and runs 2,432 km west to the Atlantic; Oranjemund in Namibia sits at its mouth.

The 2004 'Orange Revolution' carried reformer Viktor Yushchenko to the presidency of which country?

Ukraine's Orange Revolution, weeks of protests in Kyiv in November–December 2004 over a rigged run-off, forced a re-vote that Viktor Yushchenko won.

The flag of New York City carries an orange stripe in memory of whom?

Nassau County, next door, is named after the House of Orange-Nassau for the same reason.

In Confucianism, orange was regarded as the colour of what?

Confucian tradition treated orange as the colour of transformation, lying between red and yellow; in China the colour took its name from saffron, the finest dye in Asia, not from the fruit.

The Orange Bowl college football game has been played every year since 1935 in which metropolitan area?

The Orange Bowl has been played in the Miami area since January 1, 1935, first at Miami Field, then for decades at the Orange Bowl stadium, and later at the Dolphins' stadium in Miami Gardens.

Agent Orange belonged to a group of Vietnam War defoliants known collectively as what?

Agent Orange was one of the 'Rainbow Herbicides', colour-coded by the stripe on their drums (Agents Pink, Purple, White, Blue); they were sprayed under Operation Ranch Hand from 1962 to 1971.

The crimson flesh of a blood orange comes from which pigments, unusual in citrus?

Anthocyanins, the pigments of red grapes and berries but rare in citrus, colour blood-orange flesh; the red develops only when the fruit grows through cold nights and deepens in cold storage.

British marmalade is traditionally made from which bitter orange, nearly all of which Spain exports to Britain?

Seville oranges, bitter and rich in pectin, set a firm marmalade; Spain's Seville crop is too sour for eating and much of it is shipped to Britain for preserving.

Which Dundee woman is credited with first adding pieces of peel to marmalade in the 1790s?

Janet Keiller of Dundee is credited with adding chunks of peel to marmalade in 1797; her son James founded James Keiller & Son, one of the first commercial marmalade makers.

The dried peel of the laraha, a bitter-orange subspecies, is used to flavour which liqueur?

Curaçao liqueur is flavoured with the dried peel of the laraha, a bitter orange grown on the Caribbean island of Curaçao; the laraha's pulp is too bitter to eat.

Most of the world's bergamot orange, prized for its aromatic oil, is grown in which Italian region?

Production is concentrated on the Ionian coast around Reggio di Calabria, where the fruit is a symbol of the city.

Which US state adopted orange juice as its official beverage in 1967?

Florida named orange juice its official state beverage in 1967; the orange blossom had been the state flower since 1909.

Concentrated orange juice was developed during World War II because soldiers kept rejecting what?

The government wanted a palatable way to prevent scurvy, and consumers later embraced the frozen concentrate as cheap and convenient.

Like all citrus, oranges are 'non-climacteric', which means what?

Growers can turn green skin orange with ethylene gas after harvest, but the inside stays exactly as ripe as it was on the tree.

Which gas do packers use to turn green-skinned oranges orange in a process called 'degreening'?

Packers expose green-skinned but ripe oranges to ethylene gas, which breaks down the chlorophyll in the peel; in warm tropical climates oranges can stay green while perfectly sweet inside.

An orange typically contains about how many segments (carpels)?

A sweet orange typically has about ten segments, each wrapped in a membrane and packed with juice vesicles; botanically the whole fruit is a modified berry called a hesperidium.

The California Fruit Growers Exchange, formed in 1905, later became known by what brand name?

The California Fruit Growers Exchange introduced the Sunkist brand in 1908 and renamed itself Sunkist Growers in 1952; the cooperative marketed California citrus worldwide.

During the California Gold Rush, demand for oranges rose because they helped miners avoid which disease?

Scurvy, caused by vitamin C deficiency, plagued Gold Rush miners living on salt pork and flour, so oranges fetched high prices in the camps and spurred orchards in Southern California.

Which arsenic-bearing mineral pigment gave ancient artists an orange-toned colour and was loved by alchemists?

Orpiment, an arsenic sulfide, gave a golden-orange pigment; its Latin name auripigmentum ('gold pigment') drew alchemists, and it was traded across the Roman Empire despite being highly toxic.

Who introduced the bitter orange, lemon and lime to Spain in the early Middle Ages?

The Moors brought the bitter orange, lemon and lime to al-Andalus after 711; large-scale cultivation began in the 10th century, while the sweet orange reached the Mediterranean only around 1500 via Italian and Portuguese merchants.

Which Virginia college, chartered in 1693, is the second-oldest in the United States?

The College of William & Mary in Williamsburg received its royal charter from King William III and Queen Mary II in 1693, making it the second-oldest US college after Harvard (1636).

What name is given to the oil-rich coloured outer layer of an orange's peel?

The flavedo is the coloured outer layer of citrus peel, dotted with oil glands that hold the fragrant limonene; beneath it lies the white, spongy albedo, or pith.

The teen slang 'Nadsat' in Anthony Burgess's A Clockwork Orange is heavily influenced by which language?

The name comes from the Russian suffix equivalent to '-teen'; Burgess claimed he wrote the novel in three weeks.

US editions of A Clockwork Orange omitted the redemptive 21st chapter until which year?

The 21st chapter was restored in the US only in the 1986 Norton edition; Burgess chose 21 chapters as a nod to the age of maturity, and Kubrick's 1971 film followed the truncated American text.

Which theme park opened in Orange County, California, in 1955?

Disneyland opened in Anaheim, Orange County, on July 17, 1955, built on 160 acres of former orange groves; Knott's Berry Farm in nearby Buena Park predates it.

Orange flesh is roughly what percentage water?

Raw orange flesh is about 87% water; the rest is mostly carbohydrate, and 100 g supplies 47 calories and 53 mg of vitamin C, roughly 59% of the daily value.

Citrus greening disease, the biggest threat to orange growing since 2010, is spread mainly by what?

Asian citrus psyllids, sap-sucking jumping plant lice, carry the bacterium that causes citrus greening; the disease was confirmed in Brazil in 2004 and Florida in 2005, and infected trees decline within a few years.

Which pest ended sweet orange cultivation in Hawaii in the early 1900s?

The Mediterranean fruit fly, detected in Hawaii in the early 1900s, wiped out the islands' sweet orange crop; the trees descended from seedlings botanist Archibald Menzies gave Hawaiian chiefs in 1792.

At Versailles, Louis XIV displayed potted orange trees throughout the palace in tubs made of what?

Louis XIV had potted orange trees in solid silver tubs placed through the rooms of Versailles, moving them each winter into the vast Orangerie built by Hardouin-Mansart in 1684–86.