Pictorial guide to the flora of the British Isles

Home ⟩ Pictorial Guide ⟩ Juncaceae ⟩ Juncus bulbosus / bulbous rush

Juncus bulbosus L.

bulbous rush (Juncaceae)

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

Juncus bulbosus grows in wet ground across the British Isles; it lacks the spreading rhizomes of Juncus subnodulosus, and the transverse septa in its leaves are less obvious than in its closest relatives.

Brockenhurst (VC11: South Hampshire); 2008-06-07

 bulbous rush / Juncus bulbosus: _Juncus bulbosus_ grows in wet ground across the British Isles; it lacks the spreading rhizomes of _Juncus subnodulosus_, and the transverse septa in its leaves are less obvious than in its closest relatives.

2 subspecies of Juncnus bulbosus can be separated based on the shapes and sizes of the tepals and the number of stamens with filaments.

Carneddau (VC49: Caernarvonshire); 2007-06-04

 bulbous rush / Juncus bulbosus: 2 subspecies of _Juncnus bulbosus_ can be separated based on the shapes and sizes of the tepals and the number of stamens with filaments.

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