Calotropis gigantea, the crown flower, is a species of Calotropis native to Cambodia, Vietnam, Bangladesh, Indonesia, Malaysia, the Philippines,Thailand, Sri Lanka, India, China, Pakistan, Nepal, and tropical Africa.It is a large shrub growing to 4 m (13 ft) tall. 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. The aestivation found in calotropis is valvate […]

Chromolaena odorata is a tropical and subtropical species of flowering shrub in the family Asteraceae. It is native to the Americas, from Florida and Texas in the United States south through Mexico and the Caribbean to South America. It has been introduced to tropical Asia, West Africa, and parts of Australia. Common names include Siam weed, Christmas bush, jack in the box, devil weed, Communist Pacha (കമ്മ്യൂണിസ്റ്റ് […]