There are 5 to 10 pairs of coarsely and sharply toothed leaves.
Berula erecta NS6373 31Aug17 PW
This ridge on the stem is a distinctive feature of this plant.
Berula erecta NS9126 30Jun2018 PW
The flowers arise opposite a leaf and have bracts and bracteoles at the base of the umbels.
Berula erecta NS6373 31Aug17 PW
Berula erecta NS6373 31Aug17 PW
Berula erecta NS6172 22Jul2018 MP
Berula erecta NS6273 20Apr2019 PW
Berula and Apium - Lesser Water-parsnip and Marshworts
Berula erecta - Lesser Water-parsnip or Cutleaf Water-parsnip
This grows at the edge of rivers, canals or lakes. It can develop into substantial stands in water.
It can be easily confused with Apium nodiflora, Fool’s Water-cress. Berula erecta’s leaves are more blue-green and have 5 - 10 leaflets which are more coarsely and sharply toothed. The flower umbels have bracts and bracteoles. There is ring on the lower petioles, towards the base.
Apium nodiflora - Fool’s Water-cress (Pictures awaited). This has bright green leaves with 2 - 4 leaflets. It has no bracts and no ring on the lower petioles.