West Mill Lane, Small Dole, Henfield, W Sussex. Has largish flowers when compared with the small-flowered Hedge Mustard. A differentiator from other yellow brassicas is these sepals which you can see are spreading at at least 90 degrees.

Charlock (Rhamphospermum arvense / Synapis arvensis) (19/07/2021) West Mill Lane, Small Dole, Henfield, W Sussex. Has largish flowers when compared with the small-flowered Hedge Mustard. A differentiator from other yellow brassicas is these sepals which you can see are spreading at at least 90 degrees.

Footpath along river adjacent to A283 alongside old cement works site/Dacre Gardens, Upper Beeding, W Sussex. The petals are on short stalks so tend to be in rather a loose, messy arrangement.

Footpath along river adjacent to A283 alongside old cement works site/Dacre Gardens, Upper Beeding, W Sussex.

Charlock (Rhamphospermum arvense / Synapis arvensis) (22/05/2022) Footpath along river adjacent to A283 alongside old cement works site/Dacre Gardens, Upper Beeding, W Sussex.

Charlock (Rhamphospermum arvense / Synapis arvensis) (03/07/2021) West Mill Lane, Small Dole, Henfield, W Sussex.

Southbank Equestrian, Henfield (arena bank adjacent to field). The giss of the plant. This is quite an old specimen, leaves have darkened and are quite blotchy.

Charlock (Rhamphospermum arvense / Synapis arvensis) (23/06/2020) Southbank Equestrian, Henfield (arena bank adjacent to field). The giss of the plant. This is quite an old specimen, leaves have darkened and are quite blotchy.

West Mill Lane, Small Dole, Henfield, W Sussex. One with a slightly different giss but unimistakably Charlock.

Charlock (Rhamphospermum arvense / Synapis arvensis) (03/07/2021) West Mill Lane, Small Dole, Henfield, W Sussex. One with a slightly different giss but unimistakably Charlock.

West Mill Lane, Small Dole, Henfield, W Sussex. A young plant. These buds are quite green for Charlock which tends to have yellower buds, but the other features, e..g sepals, are classically Charlock. Perhaps the buds get yellower as they mature before flowering.

Charlock (Rhamphospermum arvense / Synapis arvensis) (03/07/2021) West Mill Lane, Small Dole, Henfield, W Sussex. A young plant. These buds are quite green for Charlock which tends to have yellower buds, but the other features, e..g sepals, are classically Charlock. Perhaps the buds get yellower as they mature before flowering.

West Mill Lane, Small Dole, Henfield, W Sussex. The anthers surrounding the stigma in the middle.

Charlock (Rhamphospermum arvense / Synapis arvensis) (19/07/2021) West Mill Lane, Small Dole, Henfield, W Sussex. The anthers surrounding the stigma in the middle.

Stubble field just off West Mill Lane on footpath, Small Dole, Henfield, W Sussex. Classic paddle-shaped and quite "messy" looking flowers with buds yellower than e.g. Wintercresses which tend to be greener.

Charlock (Rhamphospermum arvense / Synapis arvensis) (18/09/2021) Stubble field just off West Mill Lane on footpath, Small Dole, Henfield, W Sussex. Classic paddle-shaped and quite "messy" looking flowers with buds yellower than e.g. Wintercresses which tend to be greener.

Footpath along river adjacent to A283 alongside old cement works site/Dacre Gardens, Upper Beeding, W Sussex. Can become quite tall and straggly as here.

Footpath along river adjacent to A283 alongside old cement works site/Dacre Gardens, Upper Beeding, W Sussex. Classic messy-looking flowers!

Footpath along river adjacent to A283 alongside old cement works site/Dacre Gardens, Upper Beeding, W Sussex. Close-up of the spreading sepals - a main ID feature for Charlock.

Footpath along river adjacent to A283 alongside old cement works site/Dacre Gardens, Upper Beeding, W Sussex. The inflorescence can be quite long as the stalk lengthens as the plant ages, causing a spacing out of the seed pods.

Charlock (Rhamphospermum arvense / Synapis arvensis) (22/05/2022) Footpath along river adjacent to A283 alongside old cement works site/Dacre Gardens, Upper Beeding, W Sussex. The inflorescence can be quite long as the stalk lengthens as the plant ages, causing a spacing out of the seed pods.

West Mill Lane, Small Dole, Henfield, W Sussex. Young buds and the leaves at the very top.

Charlock (Rhamphospermum arvense / Synapis arvensis) (03/07/2021) West Mill Lane, Small Dole, Henfield, W Sussex. Young buds and the leaves at the very top.

Footpath along river adjacent to A283 alongside old cement works site/Dacre Gardens, Upper Beeding, W Sussex. Charlock leaves vary quite a bit, but they tend to have bristly leaves to some extent, and be oval and variably toothed, and also glossy, but notably have a pair of much smaller lobes at the base (later image).

Charlock (Rhamphospermum arvense / Synapis arvensis) (22/05/2022) Footpath along river adjacent to A283 alongside old cement works site/Dacre Gardens, Upper Beeding, W Sussex. Charlock leaves vary quite a bit, but they tend to have bristly leaves to some extent, and be oval and variably toothed, and also glossy, but notably have a pair of much smaller lobes at the base (later image).

West Mill Lane, Small Dole, Henfield, W Sussex. Slightly higher up the stem the leaves get narrower - and note the smaller lobes at the base, classic for Charlock.

Charlock (Rhamphospermum arvense / Synapis arvensis) (19/07/2021) West Mill Lane, Small Dole, Henfield, W Sussex. Slightly higher up the stem the leaves get narrower - and note the smaller lobes at the base, classic for Charlock.

Footpath along river adjacent to A283 alongside old cement works site/Dacre Gardens, Upper Beeding, W Sussex. Another mid-stem leaf - they get narrower as you go up the stem and cease to have lower side lobes and increasingly become stalkless.

Charlock (Rhamphospermum arvense / Synapis arvensis) (22/05/2022) Footpath along river adjacent to A283 alongside old cement works site/Dacre Gardens, Upper Beeding, W Sussex. Another mid-stem leaf - they get narrower as you go up the stem and cease to have lower side lobes and increasingly become stalkless.

Footpath along river adjacent to A283 alongside old cement works site/Dacre Gardens, Upper Beeding, W Sussex. The rear of the leaves have strong, risen veins.

Footpath along river adjacent to A283 alongside old cement works site/Dacre Gardens, Upper Beeding, W Sussex. An upper stem leaf.

Charlock (Rhamphospermum arvense / Synapis arvensis) (22/05/2022) Footpath along river adjacent to A283 alongside old cement works site/Dacre Gardens, Upper Beeding, W Sussex. An upper stem leaf.

Stubble field on the footpath from West Mill Lane just before the footbridge and style leading to the footpath that ends up by the waterworks at the Henfield Road end of West Mill Lane, Small Dole, Henfield, W Sussex. Upper stem leaf - flowers developing in the leaf axle.

Charlock (Rhamphospermum arvense / Synapis arvensis) (01/09/2021) Stubble field on the footpath from West Mill Lane just before the footbridge and style leading to the footpath that ends up by the waterworks at the Henfield Road end of West Mill Lane, Small Dole, Henfield, W Sussex. Upper stem leaf - flowers developing in the leaf axle.

Southbank Equestrian, Henfield (arena bank adjacent to field). Older leaves tend to darken with age, as here.

Charlock (Rhamphospermum arvense / Synapis arvensis) (13/06/2020) Southbank Equestrian, Henfield (arena bank adjacent to field). Older leaves tend to darken with age, as here.

Southbank Equestrian, Henfield (arena bank adjacent to field). Classic Charlock leaves, these are more mature - they often end up with blotches on them.

Charlock (Rhamphospermum arvense / Synapis arvensis) (23/06/2020) Southbank Equestrian, Henfield (arena bank adjacent to field). Classic Charlock leaves, these are more mature - they often end up with blotches on them.

West Mill Lane, Small Dole, Henfield. A bristly-hairy plant although that does vary between specimens.

Charlock (Rhamphospermum arvense / Synapis arvensis) (19/07/2021) West Mill Lane, Small Dole, Henfield. A bristly-hairy plant although that does vary between specimens.

West Mill Lane, Small Dole, Henfield, W Sussex. Here's a very bristly-hairy one. As said previously, they are not always as hairy.

Charlock (Rhamphospermum arvense / Synapis arvensis) (19/07/2021) West Mill Lane, Small Dole, Henfield, W Sussex. Here's a very bristly-hairy one. As said previously, they are not always as hairy.

Footpath along river adjacent to A283 alongside old cement works site/Dacre Gardens, Upper Beeding, W Sussex. Stems tend to turn reddish as the plant ages.

Stubble field just off West Mill Lane on footpath, Small Dole, Henfield, W Sussex. Seed pods - technical name "silique" - here bristly but many sources say they should be glabrous, however the photo in the Wiki entry sure enough shows bristly hairy. the pods have long beaks and don't press close to the stem (unlike e.g. Hedge Mustard).

Charlock (Rhamphospermum arvense / Synapis arvensis) (18/09/2021) Stubble field just off West Mill Lane on footpath, Small Dole, Henfield, W Sussex. Seed pods - technical name "silique" - here bristly but many sources say they should be glabrous, however the photo in the Wiki entry sure enough shows bristly hairy. the pods have long beaks and don't press close to the stem (unlike e.g. Hedge Mustard).

West Mill Lane, Small Dole, Henfield, W Sussex (footpath leading to poo-bridge in field of Maize).

Charlock (Rhamphospermum arvense / Synapis arvensis) (20/08/2023) West Mill Lane, Small Dole, Henfield, W Sussex (footpath leading to poo-bridge in field of Maize).

West Mill Lane, Small Dole, Henfield, W Sussex (footpath leading to poo-bridge in field of Maize). The base of the seed pod.

Charlock (Rhamphospermum arvense / Synapis arvensis) (20/08/2023) West Mill Lane, Small Dole, Henfield, W Sussex (footpath leading to poo-bridge in field of Maize). The base of the seed pod.

West Mill Lane, Small Dole, Henfield, W Sussex (footpath leading to poo-bridge in field of Maize). A particularly hairy pod.

Charlock (Rhamphospermum arvense / Synapis arvensis) (20/08/2023) West Mill Lane, Small Dole, Henfield, W Sussex (footpath leading to poo-bridge in field of Maize). A particularly hairy pod.