<Li> Eugenia caryophyllata Thunb . </Li> <Li> Eugenia caryophyllus (Spreng .) Bullock & S.G. Harrison </Li> <P> Cloves are the aromatic flower buds of a tree in the family Myrtaceae, Syzygium aromaticum . They are native to the Maluku Islands (or Moluccas) in Indonesia, and are commonly used as a spice . Cloves are commercially harvested primarily in Bangladesh, Indonesia, India, Madagascar, Pakistan, Sri Lanka, and Tanzania (Zanzibar). Cloves are available throughout the year . </P> <P> The clove tree is an evergreen that grows up to 8--12 m tall, with large leaves and crimson flowers grouped in terminal clusters . The flower buds initially have a pale hue, gradually turn green, then transition to a bright red when ready for harvest . Cloves are harvested at 1.5--2.0 cm long, and consist of a long calyx that terminates in four spreading sepals, and four unopened petals that form a small central ball . </P>

Clove is taken from which part of the plant