Click on images to enlarge
infestation (Photo: Sheldon Navie)
habit (Photo: Sheldon Navie)
flower clusters in the forks of the leaves, each with three finely-toothed leaflets (Photo: Sheldon Navie)
close-up of pink flowers (Photo: Sheldon Navie)
old flowers and immature fruit (Photo: Sheldon Navie)
stem and burr-like cluster of immature fruit (Photo: Sheldon Navie)
leaves and mature fruit (Photo: Sheldon Navie)
close-up of seeds (Photo: Tracey Slotta at USDA PLANTS Database)
Scientific Name
Trifolium glomeratum L.
Family
Fabaceae (Queensland, the ACT, Victoria, Tasmania, and the Northern Territory)Fabaceae: sub-family Faboideae (New South Wales)Leguminosae (South Australia)Papilionaceae (Western Australia)
Common Names
ball clover, bristly clover, burdock clover, burr-clover, bush clover, cluster clover, clustered clover, flat headed clover, lappa clover
Origin
Native to northern Africa, Azores, the Madeira Islands, the Canary Islands, western and southern Europe, the middle-east and western Asia.
Naturalised Distribution
Cluster clover (Trifolium glomeratum) is widely naturalised in southern and eastern Australia (i.e. in eastern Queensland, New South Wales, the ACT, Victoria, Tasmania, many parts of South Australia and large parts of southern and western Western Australia). Also naturalised on Lord Howe Island and Norfolk Island.
Notes
Cluster clover (Trifolium glomeratum) is regarded as an environmental weed in Western Australia and Victoria.
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