Flower Properties
| Property | Value |
|---|---|
| English Name | Lesser Knapweed |
| Also Known As | Black Knapweed |
| Scientific Name | Centaurea nigra |
| MainColor | Magenta |
| PlantType | |
| Distribution | |
| Season Found | August (Jun - Sep) |
| ImageUrl | Centaurea-002 |
| Photographer | DP |
| Location Found | Abbots Langley |
| Country Found | UK |
| Last Updated | 03 September 2026 |
| Photo Quality | A |
Flower Details
Description
Centaurea nigra is a hardy perennial wildflower with tufted purple flower heads resembling thistles but without spines. It supports a wide variety of pollinators, particularly bees and butterflies, making it an important native meadow species.
Distribution
Native to Europe and widespread across the UK in grasslands, verges, and meadows.
Medicinal/Other Uses

Historically used as a mild astringent and tonic. Infusions of the flowers were sometimes used to treat mouth ulcers and sore throats.
Edibility
Not commonly eaten but considered non-toxic.
Human Toxicity
Non_ToxicGenerally safe; rare reports of mild allergic reactions in sensitive individuals handling the plant.
Pet Toxicity
Not Toxic
Active Compounds
Contains flavonoids, tannins, and phenolic acids contributing to its antioxidant activity.
