Long pepper ( Piper longum), sometimes called Indian long pepper or pippali, is a flowering plant vine in the family Piperaceae, cultivated for its fruit, which is usually dried and used as a spice and seasoning. Long pepper has a taste similar to, but sweeter and more pungent than, that of its close relative Piper nigrum – from which black, green and white pepper are obtained.
The fruit of the pepper consists of many minuscule fruits – each about the size of a poppy seed – embedded in the surface of a flower spike that closely resembles a hazel catkin. Like Piper nigrum, the fruits contain the compound piperine, which contributes to their pungency. Another species of long pepper, Piper retrofractum, is native to Java, Indonesia. The fruits of this plant are often confused with chili peppers, which belong to the genus Capsicum, originally from the Americas.
The ancient history of long pepper is often interlinked with that of black pepper ( Piper nigrum). Theophrastus distinguished the two in his work of botany. The Romans knew of both but their word for pepper usually meant black pepper. Pliny erroneously believed dried black pepper and long pepper came from the same plant.
Round, or black, pepper began to compete with long pepper in Europe from the twelfth century and had displaced it by the fourteenth. The quest for cheaper and more dependable sources of black pepper fueled the Age of Discovery.
After the discovery of the American continents and of chili pepper, called by the Spanish pimiento, employing their word for long pepper, the popularity of long pepper faded away. Chili peppers, some of which, when dried, are similar in shape and taste to long pepper, were easier to grow in a variety of locations more convenient to Europe. Today, long pepper is a rarity in general commerce.
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