A pistillate flower has no stamens, only pistils. A flower is either symmetrical or asymmetry. A flower with radial symmetry is called an actinomorphic flower. A zygomorphic flower has bilateral symmetry. When like structures are fused together, the structures are said to be connate.
Some connate structures have special names.
Flowers with connate sepals, sepals fused to sepals, are synsepalous. Flowers with connate petals, petals fused to petals, are sympetalous. If members of different whorls are fused together, they are adnate. For example, if a stamen is fused to a petal, the stamen is adnate to the petal. When the floral parts are attached below the ovary, and they are free from it, the flower is hypogynous.