Pictorial guide to the flora of the British Isles

Home ⟩ Pictorial Guide ⟩ Ruppiaceae ⟩ Ruppia spiralis / spiral tasselweed

Ruppia spiralis L. ex Dumort.

spiral tasselweed (Ruppiaceae)

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

Synonym | Ruppia cirrhosa (Petagna) Grande

Ruppia spiralis is a linear-leaved aquatic plant that grows in salt marshes.

Achuvoldrach (VC108: West Sutherland); 2019-07-03

 spiral tasselweed / Ruppia spiralis: _Ruppia spiralis_ is a linear-leaved aquatic plant that grows in salt marshes.

The flowers of Ruppia spiralis consist of 2 bilobed stamens and 4 stigmas, and are borne in a short, terminal, aerial inflorescence.

Achuvoldrach (VC108: West Sutherland); 2019-07-03

 spiral tasselweed / Ruppia spiralis: The flowers of _Ruppia spiralis_ consist of 2 bilobed stamens and 4 stigmas, and are borne in a short, terminal, aerial inflorescence.

When in fruit, the peduncles of Ruppia spiralis lengthen and bend into coils.

Achuvoldrach (VC108: West Sutherland); 2019-07-03

 spiral tasselweed / Ruppia spiralis: When in fruit, the peduncles of _Ruppia spiralis_ lengthen and bend into coils.

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