Durian

The durian (IPA: [ˈdʊəriən, -ɑn]^[1]) is the fruit of trees of the genus Durio belonging to the Malvaceae, a large family which includes hibiscus, okra, cotton, mallows and linden trees. Widely known and revered in Southeast Asia as the "King of Fruits," the fruit is distinctive for its large size, unique odour, and formidable thorn-covered husk. The fruit can grow up to 30 centimetres (12 in) long and 15 centimetres (6 in) in diameter, and typically weighs one to three kilograms (2 to 7 lbs). Its shape ranges from oblong to round, the colour of its husk green to brown, and its flesh pale-yellow to red, depending on the species.

The hard outer husk is covered with sharp, prickly thorns while the edible flesh within emits a distinctive odour, which is regarded as either fragrant or overpowering and offensive. The odour of the ripe fruit is strong and penetrating even when the husk is intact. Due to the unusual odour, the durian is forbidden from certain establishments such as hotels and public transportations in Southeast Asia. The odour has prompted many people to formulate evocative descriptions with views ranging from those of deep appreciation to intense disgust.

The durian, native to Brunei, Malaysia and Indonesia, has been known to the western world for about 600 years. The British naturalist Alfred Russel Wallace famously described its flesh as "a rich custard highly flavoured with almonds" in the 19th century. The flesh can be consumed at various stages of ripeness and is used to flavour a wide variety of savoury and sweet edibles in Southeast Asian cuisines. The seeds can also be eaten when cooked. The name durian comes from the Malay word duri (thorn) together with the suffix -an.

There are 30 recognised Durio species, at least nine of which produce edible fruit. Durio zibethinus is the only species available in the international market; other species are sold in their local regions. There are hundreds of durian cultivars; most of them have a common name and a code number starting with "D". Many consumers express preferences for specific cultivars, which fetch higher prices in the market.