Southbank Equestrian, Henfield (fields). Makro shot as this is such a small flower. The similar Slender Trefoil has only 2-6 flowers in a bunch and its flowers are a deeper yellow than this.

Lesser Trefoil (Trifolium dubium) (25/05/2021) Southbank Equestrian, Henfield (fields). Makro shot as this is such a small flower. The similar Slender Trefoil has only 2-6 flowers in a bunch and its flowers are a deeper yellow than this.

Southbank Equestrian, Henfield (fields). Black Medick is similar but has more flowers in a cluster, more tightly packed making the head seem more globular than this.

Lesser Trefoil (Trifolium dubium) (10/05/2020) Southbank Equestrian, Henfield (fields). Black Medick is similar but has more flowers in a cluster, more tightly packed making the head seem more globular than this.

Lesser Trefoil (Trifolium dubium) (02/05/2020) Southbank Equestrian, Henfield (fields). Lesser Trefoil flowers never fully open.

Southbank Equestrian, Henfield (fields). The flower stalks are still relatively long but not as long as those on Slender Trefoil.

Lesser Trefoil (Trifolium dubium) (25/05/2021) Southbank Equestrian, Henfield (fields). The flower stalks are still relatively long but not as long as those on Slender Trefoil.

Southbank Equestrian, Henfield (fields). The flowers never open quite as fully as those of Black Medick (which is anyway larger).

Lesser Trefoil (Trifolium dubium) (25/05/2021) Southbank Equestrian, Henfield (fields). The flowers never open quite as fully as those of Black Medick (which is anyway larger).

Southbank Equestrian, Henfield (fields). My little finger shoiwng just how small this plant is - but not as small as Slender Trefoil.

Lesser Trefoil (Trifolium dubium) (25/05/2021) Southbank Equestrian, Henfield (fields). My little finger shoiwng just how small this plant is - but not as small as Slender Trefoil.

Southbank Equestrian, Henfield (fields). My little finger for scale. Definitely Lesser, becaue although the stalks here seem pretty long (as are Slender's) the close-up image of thre leaflets later from the same plant shows a longer stalked terminal lobe (Slender, all leaves are on short stalks).

Lesser Trefoil (Trifolium dubium) (20/06/2021) Southbank Equestrian, Henfield (fields). My little finger for scale. Definitely Lesser, becaue although the stalks here seem pretty long (as are Slender's) the close-up image of thre leaflets later from the same plant shows a longer stalked terminal lobe (Slender, all leaves are on short stalks).

Southbank Equestrian, Henfield (fields). Lesser Trefoil on the right, the much smaller Slender Trefoil on the left.

Lesser and Slender Trefoils (11/06/2021) Southbank Equestrian, Henfield (fields). Lesser Trefoil on the right, the much smaller Slender Trefoil on the left.

Lesser Trefoil (Trifolium dubium) (25/05/2021) Southbank Equestrian, Henfield (fields). A young flower showing the long (but sparse) sepal hairs.

Lesser Trefoil (Trifolium dubium) (21/06/2022) Southbank Equestrian, Henfield (fields).

Lesser Trefoil (Trifolium dubium) (10/05/2020) Southbank Equestrian, Henfield (fields). We get masses of it here.

Woods Mill Nature Reserve, Small Dole, Henfield, W Sussex (field at the back of the reserve). Sun-stressed plants turn purplish. Leaves, unlike the short-stalked ones of Slender Trefoil, have a terminal lobe on a longer stalk.

Lesser Trefoil (Trifolium dubium) (02/05/2022) Woods Mill Nature Reserve, Small Dole, Henfield, W Sussex (field at the back of the reserve). Sun-stressed plants turn purplish. Leaves, unlike the short-stalked ones of Slender Trefoil, have a terminal lobe on a longer stalk.

Southbank Equestrian, Henfield (fields). Leaftlets tend to be somewhat elongated compared to the rounder - and much smaller - ones of Slender Trefoil.

Lesser Trefoil (Trifolium dubium) (25/05/2021) Southbank Equestrian, Henfield (fields). Leaftlets tend to be somewhat elongated compared to the rounder - and much smaller - ones of Slender Trefoil.

Southbank Equestrian, Henfield (fields). Developing fruit next to the open flower, fruits in later stages of development out of focus behind.

Lesser Trefoil (Trifolium dubium) (20/05/2020) Southbank Equestrian, Henfield (fields). Developing fruit next to the open flower, fruits in later stages of development out of focus behind.

Lesser Trefoil (Trifolium dubium) (21/06/2022) Southbank Equestrian, Henfield (fields). Classic seed pods.