Mary's Bean
Merremia discoidesperma
Markings and exact colorations may vary.
The rarest and most storied drift seed, marked with a cross on one face.
- Typical size
- 0.75–1 in
- How often it turns up
- Very rare
- Collecting
- Usually legal to collect
- Handling
- Safe to handle
Drift seeds are free to collect.
How to tell it apart
- Dark brown, roughly square-rounded
- Distinct cross groove on one side
- Very hard and light for its size
Found one?
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More sea beans in the field guide
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