関連ワード:  function of stamen in flower class 6    function of style in flower class 6    function of ovule in flower class 6    function of filament in flower class 6    function of anther in flower class 6    function of sepal in flower class 6    function of petal in flower class 6    function of receptacle in flower class 6    what is the function of stamen in flower    function of flower class 6