The clove of commerce is the air-dried unopened flower bud obtained from evergreen medium sized tree. The tree grows to a height of 10-12 mtrs and start flowering in about 7 years. It continues to produce flower buds for 80 or more years. It is a valuable spice of the orient. Clove clusters are plucked by hand when the buds are fully developed with a pronounced pink flush and then dried over several days in the sun. Unopened flower buds, leaves and stalks yield essential oil.
The plant is indigenous to North Molucca Islands of Indonesia. It is also grown in Zanzibar, Madagascar, Malaysia, Sri Lanka and India. The tree prefers well drained rich soil with sufficient soil moisture throughout the year. High atmospheric temperature (25 to 35 degree C) with heavy sun light, good and well-distributed rainfall (above 150 cm) and high humidity (above 70%) are preferred.
