Family: Fabaceae Knotted Clover Trifolium striatum Flowering time: May-July. Annual. Native Found on open, well-drained infertile soils on grasslands, banks and verges. Grows on acidic, neutral and calcareous ground Oval, unstalked flowerheads bearing pinkish flowers with a downy, inflated, red-ribbed calyx, the teeth erect when fruiting. Lateral veins on the leaflets are not curved. The whole plant is softly downy-hairy with spreading stems. Similar: Rough Clover, Trifolium scabrum

     
Knotted Clover, Trifolium striatum
Badbury Rings, Dorset. August 2012