The Floral Diagram represents which one of the following families ?

Commissural stigma $(Along\,\, carpellary\,\, cohesion\,\, plane)$ occurs in family

The unit of inflorescence in grasses / gramineae $(poaceae)$ is

Butterfly shaped flower with one stranded, two wing-like and two keeled petal belong to

Characteristic inflorescence of family compositae sunflower is

Identify plant of febaceae