Pictorial guide to the flora of the British Isles

Home ⟩ Pictorial Guide ⟩ Polygonaceae ⟩ Rheum × rhabarbarum / rhubarb

Rheum × rhabarbarum L.

rhubarb (Polygonaceae)

 SpreadBias within British IslesDirection of bias
WidespreadSlight tendencyNE
Plant Atlas 2020
BSBI Distribution Map

Rheum rhabarbarum is a very large herb grown for the young stems.

Oxford (VC23: Oxfordshire); 2019-05-24

 rhubarb / Rheum × rhabarbarum: _Rheum rhabarbarum_ is a very large herb grown for the young stems.

Unlike Rumex species, Rheum flowers have 9 stamens, and the outer tepals do not enlarge after flowering.

Oxford (VC23: Oxfordshire); 2019-05-24

 rhubarb / Rheum × rhabarbarum: Unlike _Rumex_ species, _Rheum_ flowers have 9 stamens, and the outer tepals do not enlarge after flowering.

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