Sonchus - Sow-thistle family — BSBI VC77

Sonchus - Sow-thistle family

Sonchus arvensis Perennial Sow-Thistle

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Sonchus asper - Rough or Prickly Sow-thistle

The auricles of the leaves are pointed back past the stem. The leaves are more prickly than S. oleraceus and the flowers tend to be a darker yellow and the flowers fade quicker in the winter.

Sonchus oleraceus - Smooth Sow-thistle

The auricles of the leaves are rounded, like a wheel against the stem.

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Sonchus arvensis NS7151 17Aug2017 PW

Sonchus arvensis NS7151 17Aug2017 PW

Sonchus arvensis NS7151 17Aug2017 PW

Sonchus arvensis NS8148 7Jul2020 MP

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Sonchus asper NS5959 1 June 2019 PW

Sonchus asper NS6662 23Jul2020 PW

Sonchus asper NS5959 1 June 2019 PW

Sonchus asper NS5959 1 June 2019 PW

Sonchus asper NS8864 12Jun17 PW

Sonchus asper NS6662 23Jul2020 PW

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Sonchus oleraceus N6163 3Nov17 PW

The base of the leaves is straight and not curled-round like in Sonchus asper . Sonchus oleraceus NS6163 3Nov17 PW

Sonchus oleraceus NS6163 3Nov17 PW

Sonchus oleraceus NS6163 3Nov17 PW

Sonchus oleraceus NS5364 4May2019 PW

This red colour is typical especially in dry weedy areas. Sonchus oleraceus NS5364 4May2019 PW

Sonchus arvensis NS7151 17Aug2017 PW

Sonchus arvensis NS7151 17Aug2017 PW

Sonchus arvensis NS7151 17Aug2017 PW

Sonchus arvensis NS8148 7Jul2020 MP

Sonchus asper NS5959 1 June 2019 PW

Sonchus asper NS6662 23Jul2020 PW

Sonchus asper NS5959 1 June 2019 PW

Sonchus asper NS5959 1 June 2019 PW

Sonchus asper NS8864 12Jun17 PW

Sonchus asper NS6662 23Jul2020 PW

Sonchus oleraceus N6163 3Nov17 PW

The base of the leaves is straight and not curled-round like in Sonchus asper.

Sonchus oleraceus NS6163 3Nov17 PW

Sonchus oleraceus NS6163 3Nov17 PW

Sonchus oleraceus NS6163 3Nov17 PW

Sonchus oleraceus NS5364 4May2019 PW

This red colour is typical especially in dry weedy areas.

Sonchus oleraceus NS5364 4May2019 PW