31. A plant with only functional carpels is called pistillate, or ( inaccurately ) female. 32. The borders of the valves may or may not coincide with the borders of carpels . 33. Fruits are formed of loosely cohering or almost free carpels ( the ripened pistels ). 34. Each carpel will usually have a distinct line of placentation where the ovules are attached. 35. The carpels , filled with fluid-filled vesicles that are actually specialized hair cells. 36. There is one pistil and one carpel . 37. The fruit are small carpels , grey in colour, with a single black seed. 38. Several stamen surround a cluster of carpels . 39. There are numerous stamens surrounding the carpels ; they are each about 13 mm long. 40. Such a defect can be rather attractive in a flower as stamens and carpels become petals.
