Receptacle

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The position of the receptacle (r) in relation to the ovary in three types of flowers.
The position of the receptacle (r) in relation to the ovary in three types of flowers.

In botany, the receptacle is the thickened part of a stem from which the flower organs grow. In some accessory fruits, for example in pomes or strawberries, the receptacle gives rise to the edible part of the fruit.

Receptacles at the end of Fucus branches.
Receptacles at the end of Fucus branches.

In phycology, receptacles are structures at the ends of branches of algae mainly in the brown algae or Heterokontophyta in the Order Fucales. They are specialised structures which contain the reproductive organs called conceptacles.[1] receptacles also function as a structure that captures food.