Areca palm (Areca catechu)
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Vietnam · #8 palm

Areca palm

Areca catechu · locally: cau (cây cau)

There is no Vietnamese engagement without betel leaves and areca nuts – “a quid of betel opens the conversation”, as the proverb says.

A slender palm growing to 10–20 m, with a straight, smooth trunk marked by distinct ring-shaped scars left by fallen leaves, and a small crown of pinnate leaves. The inflorescences grow below the crown, and the fruits, a few centimetres long, change colour from green to orange as they ripen. Their seed – the areca (betel) nut – is chewed together with a leaf of betel pepper and lime; the arecoline it contains is a stimulant, but regular chewing increases the risk of mouth cancer.

Significance in the country

Betel chewing (ăn trầu) was a widespread custom for centuries, and the legend of two brothers and the elder brother’s wife, turned into a limestone rock, an areca palm and the betel vine twining around it, explains its symbolism of love and fidelity. To this day betel leaves and areca nuts are an obligatory gift at engagement ceremonies (lễ ăn hỏi) and are placed on ancestral altars.

Where it grows

Planted beside houses, in home gardens and orchards throughout the country – from the villages of the Red River Delta to the Mekong Delta, where it also forms larger plantations.

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