Key Identification Features
- Its glabrous, deflexed fruits measure about 1 cm long, and feature ridges along with narrow lateral wings.
- There are 7–13 three-forked or pinnate bracts below the umbel, a feature that separates this plant from other white-flowered umbellifers.
- A further distinguishing feature is the unpleasant mouse urine-like odour of crushed poison hemlock leaves.
- Sea holly can be easily identified by its bluish-grey holly-like spiny leaves, along with its specific coastal habitat of sand or sometimes shingle.
For instant identification in the field, use the iNature app — AI-powered, works offline.
