Allamanda - Yellow Bell - "Kolke" (Bengali name)

A woody, evergreen shrub with vigorous growth, Allamanda may reach a free-standing height of 2 metres or more. The leathery leaves are lancelike, pointed, and may either be opposite or in whorls of three or four. The yellow, trumpet-shaped flowers are 5-7.5 cm in diameter; cultivated forms tend towards larger blooms which may also be white, purple, pink or orange in colour. Their scent may be described as delicate and fruity.

Thanks to G Wiz for identifying this flower.http://in.answers.yahoo.com/activity?show=sJu26irAaa