Grey Nickernut
Caesalpinia bonduc
Markings and exact colorations may vary.
A hard, marble-round grey seed with a glassy shine, drifted from tropical shorelines.
- Typical size
- 0.5–1 in
- How often it turns up
- Fairly common
- Collecting
- Usually legal to collect
- Handling
- Safe to handle
Drift seeds are free to collect.
How to tell it apart
- Perfectly round to slightly oval
- Grey with fine surface cracks, very glossy
- Extremely hard shell
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.
Browsing beaches and the full field guide is free. A free account logs unlimited finds and gives you three photo identifications a day.
More sea beans in the field guide
Get Florida beachcombing tips
Occasional emails: what's washing up, shelling tips and new BeachNut features. No spam, unsubscribe any time.