- Key People:
- Prospero Alpini
date palm
-
What is a date palm?
The date palm (Phoenix dactylifera) belongs to the palm family (Arecaceae) and is grown for its sweet fruits. Date palms can grow to about 23 meters (75 feet) tall and are marked with old leaf bases. They feature pinnate leaves that extend about 5 meters (16 feet) long.
Male and female flowers grow on separate date palm plants. The female flowers are artificially pollinated for cultivation. The date fruit is a drupe (one-seeded fruit) that differs in shape, size, color, quality, and consistency depending on the variety and growing conditions. A single bunch may yield over 1,000 dates, weighing 8 kg (18 pounds) or more.
1 Britannica SourceCreated from Britannica articles using AI. AI can make mistakes, so verify using Britannica articles. -
Where do date palms naturally grow?
The date palm (Phoenix dactylifera) is believed to have originated in modern-day Iraq and has been cultivated since ancient times. Date palms thrive in hot, dry climates and have historically been a staple food in North Africa and the Middle East.
Today, date palms are cultivated in various regions, including the Canary Islands, northern Africa, the Middle East, Pakistan, India, Mexico, and California in the United States. Egypt, Iran, Saudi Arabia, and Iraq are the world's leading date producers and exporters. Date palms also grow along the Mediterranean shores of Europe as ornamental trees.
1 Britannica SourceCreated from Britannica articles using AI. AI can make mistakes, so verify using Britannica articles. -
What do the fruits of the date palm look like?
The date palm fruit is a drupe (a one-seeded fruit) that grows in clusters. Date fruits are typically oblong but differ in shape, size, color, quality, and flesh consistency based on the variety and growing conditions.
The maturation stages include khalal (full size, hard, and pale), bisr (when the fruit begins to color), rutab (when the tip softens), and tamr (when dates are ready to be packed). One variety, the Barhi date, is firm, round, pale yellow, and crunchy like an apple during the khalal stage. As it reaches the rutab stage, it becomes very sweet, with liquid pooling inside.
3 Britannica SourcesCreated from Britannica articles using AI. AI can make mistakes, so verify using Britannica articles. -
How are dates harvested from the date palm tree?
Date palms grow to about 23 meters (75 feet) tall and are cultivated for their fruit. Under cultivation, female flowers are artificially pollinated. Dates are harvested at different stages of maturity, each with an Arabic name: khalal (full size, hard, and pale), bisr (when the fruit begins to color), rutab (when the date begins to soften), and tamr (when dates are ready to be packed).
Dates are harvested when they are as close as possible to the time they are eaten. The proper time to remove a fruit from the tree varies with each fruit and depends on whether the product will be sold and consumed within hours or stored for weeks or months.
4 Britannica SourcesCreated from Britannica articles using AI. AI can make mistakes, so verify using Britannica articles. -
Why are date palms important in some cultures?
The date palm (Phoenix dactylifera) holds cultural importance as a staple food and a primary source of wealth in the arid regions of North Africa and the Middle East. Dates are integral to the diets of people worldwide.
All parts of the date palm are valuable. The trunk provides timber, leaves are used for basketry, and fruit stalks serve as fuel. The fruit is processed into syrup, alcohol, and vinegar. Date palms also have religious significance, with their leaves used in Palm Sunday and Sukkoth celebrations.
Beyond their practical uses, date palms are grown as ornamental trees, adding to their cultural value.
3 Britannica SourcesCreated from Britannica articles using AI. AI can make mistakes, so verify using Britannica articles. -
How do date palms adapt to living in desert environments?
Date palms ( Phoenix dactylifera) are well-suited to desert environments through various adaptations. They thrive in areas with high, seasonal rainfall and can also grow in deserts or seashores where underground water sources are present.
These palms can tolerate poorly drained areas and alternate flooding and drying. Date palms are also cultivated in irrigable deserts of North Africa and the Middle East, where they have been a staple food and a major source of wealth.
2 Britannica SourcesCreated from Britannica articles using AI. AI can make mistakes, so verify using Britannica articles.
date palm, (Phoenix dactylifera), tree of the palm family (Arecaceae) cultivated for its sweet edible fruits. The date palm has been prized from remotest antiquity and may have originated in what is now Iraq. The fruit has been the staple food and chief source of wealth in the irrigable deserts of North Africa and the Middle East. Spanish missionaries carried the tree to the New World in the 18th and early 19th centuries. Date palms are grown in the Canary Islands, northern Africa, the Middle East, Pakistan, India, Mexico, and the U.S. state of California.
Dates have a long shelf life, and many varieties, including the common deglet noor, are often sold dried and processed. The dried fruit is more than 50 percent sugar by weight and contains about 2 percent each of protein, fat, and mineral matter. Other types of dates, such as the medjool, are eaten as fresh produce and gradually shrink and wrinkle as they age.
Physical description
The date palm grows about 23 metres (75 feet) tall. Its stem, strongly marked with the pruned stubs of old leaf bases, terminates in a crown of graceful, shining, pinnate leaves about 5 metres (16 feet) long. Floral spikes branch from the axils of leaves that emerged the previous year. Male and female flowers are borne on separate plants. Under cultivation the female flowers are artificially pollinated. The date is a one-seeded fruit, or drupe, usually oblong but varying much in shape, size, colour, quality, and consistency of flesh, according to the conditions of culture and the variety. More than 1,000 dates may appear on a single bunch weighing 8 kg (18 pounds) or more.
" height="20" alt="HEW Logo">
The tree is propagated either from seeds or from suckers, offshoots that arise chiefly near the base of the stem in the early years of the life of the palm. Offshoots are used for commercial plantings. When offshoots are three to six years old and have formed roots of their own, they are removed and planted. Palms begin to bear fruit in 4 to 5 years and reach full bearing at 10 to 15 years, yielding 40 to 80 kg (90 to 180 pounds) or more each. Palms are known to live as long as 150 years, but their fruit production declines, and in commercial culture they are replaced at an earlier age.
Uses
All parts of the date palm yield products of economic value. Its trunk furnishes timber; the midribs of the leaves supply material for crates and furniture; the leaflets, for basketry; the leaf bases, for fuel; the fruit stalks, for rope and fuel; the fibre, for cordage and packing material; and the seeds are sometimes ground and used as stock feed. Syrup, alcohol, vinegar, and a strong liquor are derived from the fruit. The sap is also used as a beverage, either fresh or fermented, but, because the method of extraction seriously injures the palm, only those trees that produce little fruit are used for sap. When a palm is cut down, the tender terminal bud is eaten as a salad.
Egypt, Iran, Saudi Arabia, and Iraq are the leading date-producing and date- exporting countries, although fruit from Algeria and Tunisia also is well known in Europe. California is the major American producer. The date palm is grown as an ornamental tree along the Mediterranean shores of Europe, and its leaves are used for the celebration of Palm Sunday among Christians and for the celebration of Sukkoth (Feast of Tabernacles) among Jews.