Sea Purse

Dioclea species

Markings and exact colorations may vary.

A flat, dark, purse-shaped seed with a long pale hilum running around its edge.

Typical size
1–1.5 in
How often it turns up
Fairly common
Collecting
Usually legal to collect

Drift seeds are free to collect.

Handling
Safe to handle

How to tell it apart

  • Flattened disc shape
  • Dark brown with a pale band (hilum) around most of the rim
  • Smooth, hard surface

Found one?

Photograph it and BeachNut ranks the likely matches with a confidence read, then logs it to your collection with the beach and date.

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Commonly confused with

  • Hamburger BeanMucuna species

    Sea purses often have a flatter top and a sharper, projecting edge where the hilum sits; hamburger beans are usually more rounded there. Shapes vary, so check more than one feature.

More sea beans in the field guide

Browse every sea beans in the guide

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