Pictorial guide to the flora of the British Isles

Home ⟩ Pictorial Guide ⟩ Potamogetonaceae ⟩ Stuckenia pectinata / fennel pondweed

Stuckenia pectinata (L.) Börner

fennel pondweed (Potamogetonaceae)

 SpreadBias within British IslesDirection of bias
Very widespreadSlight tendencySE
Plant Atlas 2020
BSBI Distribution Map

Synonym | Potamogeton pectinatus L.

Stuckenia pectinata is a thin, branching pondweed that grows in nutrient-rich or slightly salty lowland lakes and ponds; it flowers under water.

Barrow (VC33: East Gloucestershire); 2020-06-30

 fennel pondweed / Stuckenia pectinata: _Stuckenia pectinata_ is a thin, branching pondweed that grows in nutrient-rich or slightly salty lowland lakes and ponds; it flowers under water.

The inflorescence of Stuckenia pectinata is a short spike of flowers with 4 dull tepals surrounding 4 stamens and 4 carpels; the leaves are acute at the tip and fused into a sheath around the stem at the base.

Barrow (VC33: East Gloucestershire); 2020-06-30

 fennel pondweed / Stuckenia pectinata: The inflorescence of _Stuckenia pectinata_ is a short spike of flowers with 4 dull tepals surrounding 4 stamens and 4 carpels; the leaves are acute at the tip and fused into a sheath around the stem at the base.

All images copyright © Christopher J. Dixon unless otherwise indicated.

L-R: Bidens tripartita, Melilotus officinalis, Mimulus guttatus, Thalictrum flavum, Ranunculus peltatus, Anchusa arvensis, Malva alcea, Lolium perenne