Cloves are the aromatic dried flower buds vaguely resemble small irregular nails in shape. Cloves are native to Indonesia and used as a spice in cuisines all over the world. Cloves are now harvested primarily in Indonesia, Madagascar, Zanzibar, Pakistan, and Sri Lanka; they are also grown in India under the name Lavang. In Vietnam, it is called ?inh h??ng. In Indonesia it is called cengkeh or cengkih.
The clove tree is an evergreen which grows to a height ranging from 8 - 12 m, having large square leaves and sanguine flowers in numerous groups of terminal clusters. The flower buds are at first of a pale color and gradually become green, after which they develop into a bright red, when they are ready for collecting. Cloves are harvested when 1.5 - 2 cm long, and consist of a long calyx, terminating in four spreading sepals, and four unopened petals which form a small ball in the center.