Nuphar lutea, the Yellow Water-lily, is an aquatic plant of the family native to Eurasia and North America. It grows in eutrophic freshwater beds, with its roots fixed into the ground and its leaves floating on the water's surface. They are common and widespread throughout the UK.
It is also known by the name Brandy Bottle due to the alcholic scent it gives off and it's flask-shaped fruits.
The plant's inflorescence is a solitary, terminal hermaphrodite flower, pollinated by insects, which blooms from June to September in the Northern Hemisphere.
The flower is followed by achenes which are distributed by the water current. It can grow in water up to 40 cm (16 in) deep. The flowers are 6cm across and yellow and they are also alcohol scented. The leaves can be up to 40 cm across.