Kingdom : Plantae
Clade: Angiosperms
Order: Gentianales
Family: Apocynaceae
Genus: Calotropis
Species: C. gigantea
Calotropis gigantea is a weed that grows in the wastelands of Africa and Asia. It is commonly called “crown flower,” “giant milkweed. It has clusters of waxy flowers that are either white or lavender in colour. Each flower consists of five pointed petals and a small "crown" rising from the center which holds the stamens. ing. The plant has oval, light green leaves and milky stem. The latex of Calotropis gigantea contains cardiac glycosides, fatty acids, and calcium oxalate. The roots also contain Calotropone.