WOOD AVENS

HERB BENNET

Geum Urbanum

Rose Family [Rosaceae]  

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Leeds & Liverpool Canal, Addlington. Photo: © RWD
A very open, but straggly plant about 18 inches tall. Tough stems and sturdy roots, together with a profusion of seeds make this plant a persistent garden weed if it gets a look in. Spreads through dappled woods.


15th July 2005, Silverdale, Cumbria. Photo: © RWD
The leaves, typical of the Rose Family, are trefoil, with stem leaves having a large central lobe and two smaller side-lobes set at right-angles and nearer the stem.


21st May 2007, Macclesfield Canal, Bollington. Photo: © RWD
Stems bifurcate at widely spaced intervals, the bifurcation generally having a trefoil leaf.


12th June 2008, Monks Dale, Derbyshire. Photo: © RWD
Flowers deep yellow with five well-separated petals.


21st May 2007, Macclesfield Canal, Bollington. Photo: © RWD
The five un-notched petals vary slightly in shape between specimens. Five dark-green sepals behind are isosceles triangular and shorter than the petals.


Leeds & Liverpool Canal, Addlington. Photo: © RWD
The five sepals occupy the interstices below and between the petals. A multitude os stamens bearing cream coloured pollen surround a plethora of styles in the centre.


19th May 2011, Walkden, Gtr M/cr. Photo: © RWD
The sepals soon turn downwards. Plant slightly hairy.


19th May 2011, Walkden, Gtr M/cr. Photo: © RWD
Sepals isosceles triangular and felty hairy.


19th May 2011, Walkden, Gtr M/cr. Photo: © RWD
The styles grow bigger forming a 'tentacled' ball in the middle, the tentacles being the styles.


19th May 2011, Walkden, Gtr M/cr. Photo: © RWD
Close-up of stamens, anthers and pollen.


Leeds & Liverpool Canal, Addlington. Photo: © RWD
The ripe seed heads form red spiked spheres, but unlike those of Water Avens, do not have feathers on the spikes. The spikes are kinked.


22nd June 2009, Trowbridge Limestone Quarry, Silverdale, Cumbria. Photo: © RWD
The hooked burrs, ready to cling onto passing furry animals and deposit the seed they carry into new territory.


6th June 2011, ex-railway line, Langsett, Yorkshire. Photo: © RWD
The end is kinked rather than double-jointed. The seed at the other end is much wider.


21st May 2007, Macclesfield Canal, Bollington. Photo: © RWD
Trefoil leaves vary in shape, some deeply lobed, others not.


Easily confused with : Hybrid Geum

Hybridises with : Water Avens to produce Hybrid Geum.

Distinguishing Feature :

From afar the way the leaves are shaped and are widely spaced on one side up the stem resembles that of Fringe Cups

Herb Bennet should not be confused with: Herb Robert, [a plant of similar name but which belongs to the Rose Family]

It is used to flavour the green-coloured liqueur Benedictine and some ales.

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Distribution
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BSBI maps
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Geum
(Avens)

WOOD AVENS

HERB BENNET

Geum Urbanum

Rose Family [Rosaceae]