HERB ROBERT

STINKING BOB

Geranium robertianum

Cranesbill (Geranium) Family [Geraniaceae]  

month8apr month8april month8May month8jun month8june month8jul month8july month8Aug month8sep month8sept month8Oct month8Nov

status
statusZnative
 
flower
flower8pink flower8lilac
 
inner
inner8yellow
 
morph
morph8actino
 
petals
petalsZ5
 
stem
stem8round
 
smell
smell8stinks smell8smell smell8pongs smells8nauseous
pongs

25th May 2005, Reddish Vale, Greater Manchester. Photo: © RWD
Growing at the foot of a wall is favourite.


11th May 2008, The Old Pint Pot, The Crescent, Salford, Lancs. Photo: © RWD
The stems are hairy.


18th July 2007, Croker, Staffordshire. Photo: © RWD
White forms are quite common.


9th June 2004, Monsal Dale, Derbyshire. Photo: © RWD
It has a straggly appearance.


24th April 2004, Rochdale Canal, Cragg Vale. Photo: © RWD
The leaves have slightly alternate broad branches giving it an asymmetric look.


25th June 2004, Grindleford, Derbyshire. Photo: © RWD
Both fern-like leaves and stems readily redden.


4th July 2006, Rochdale Canal, Slattocks. Photo: © RWD
The flowers have five rounded un-notched pink petals. The 'bills' prominent.


18th September 2008, Mills Hill, Rochdale Canal. Photo: © RWD
A totally prostrate form is not un-usual.


18th September 2008, Mills Hill, Rochdale Canal. Photo: © RWD
Having both red and green leaves.


13th June 2008, Walkden, Greater Manchester Photo: © RWD
Flowers of the white form, stamens bearing orange pollen.


13th June 2008, Walkden, Greater Manchester Photo: © RWD
The white form with five pink stigmas surrounding the stamen with orange pollen.


11th May 2008, The Old Pint Pot, The Crescent, Salford, Lancs. Photo: © RWD
Some pink flowers have white radial streaks.


11th May 2008, The Old Pint Pot, The Crescent, Salford, Lancs. Photo: © RWD
Books state that Herb Robert lacks central notches in the petals, but plainly there are a pair of nicks on each side of some petals.


11th May 2008, The Old Pint Pot, The Crescent, Salford, Lancs. Photo: © RWD


Some similarities to : Little Robin, but Little Robin grows only in the South West and has redder flowers, is taller than Herb Robert, has instead yellow not orange pollen and the leaves are more narrowly cut.

Distinguishing Feature : Once you have found this plant you are unlikely to mistake it for anything else. Unless you come across it in the prostrate form where it seems to be a different plant, but closer inspection will reveal mostly the same characteristics.

No relation to : Herb Bennet nor with the much rarer Herb-Paris [plants with similar names]

One of the longest flowering members of the Geranium Family, flowering for 8 months. It is very hardy and extremely weedy, being very difficult to eradicate from a garden once it has found its way in. The small pink flower about a half-inch across has five petals which if notched at all are slightly nicked twice on either side of the centre-line rather than on the centre-line as most other notched petals. There is also a white form that occurs quite frequently. The pollen is orange.

Herb Robert is ubiquitous throughout the UK. Normally it is quite sticky and smells horribly if crushed, hence the nick-name 'Stinky Bob'. The leaves are fern-like in appearance. The whole plant has a tendency to go red in prolonged strong summer sunshine. It grows in hedge banks, woods, cracks in pavements, and mountain screes. The prostrate form, which grows on shingle or between cracks in stones, is usually hairless and more often red than the straggly form.


  Geranium robertianum  ⇐ Global Aspect ⇒ Geraniaceae  

Distribution
family8Cranesbill family8Geranium  family8Geraniaceae

 BSBI maps
genus8geranium
Geranium

HERB ROBERT

STINKING BOB

Geranium robertianum

Cranesbill (Geranium) Family [Geraniaceae]  

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