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
