Peduncle: The stalk of a flower
Receptacle: The part of a flower stalk where the parts of the flower are attached
Sepal: The outer parts of the flower (often green and leaf-like) that enclose a developing bud
Petal: The parts of a flower that are often conspicuously colored
Stamen: The pollen producing part of a flower, usually with a slender filament supporting the anther
Anther: The part of the stamen where pollen is produced
Pistil: The ovule producing part of a flower. The ovary often supports a long style, topped by a stigma. The mature ovary is a fruit and the mature ovule is a seed.
Stigma: The part of the pistil where pollen germinates.
Ovary: The enlarged basal portion of the pistil where ovules are produced.
Information Courtesy
http://www.amnh.org/learn/biodiversity_counts/ident_help/Parts_Plants/parts_of_flower.htm
