by Stephen Mifsud
   29 Jan 2023      ()
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Geranium robertianum   (Herb Robert)

Geranium robertianum  (GERANIACEAE.) 
Images for this profile are taken from the Maltese Islands after year 2000.

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Profile Date Dec-2007 (taxon update: none)
Citation for this page Mifsud, S. (2022). Geranium robertianum - datasheet created on Dec-2007. Retrieved from on 29-Jan-2023

Nomenclature and Basic Information

Species name :

Geranium robertianumL.
Published in Sp. Pl. : 681 (1753)

Synonyms :
(basionym or principal syn.)

Robertiella robertiana
Full list of synonyms : [Euro+Med] [PlantList] [IPNI] [POWO] [Catalogue of Life] []

Plant Family :

Geraniaceae Juss. (The Geranium Family)
14 species from the Geraniaceae family are recorded from the Maltese Islands.

English name(s) :

Herb Robert, Red Robin

Maltese name(s) :

Maltese name not known

Status for Malta :

Indigenous. Present on the Maltese islands before man

Frequency :

Very Common     Common    Frequent     Scarce     Rare    Very rare     Extinct

Growth form :

Raunkiaer lifeform [info]: THEROPHYTE ( annual plants, herbaceous )
Germination [info]: Dicotyledon

Legal Protection :

Not legally protected till the last update of this website (2/Mar/2022)

Red List (1989) :

Not listed in the Red Data Book of the Maltese Islands

Flowering Time :

February – May

Colour of Flowers:



Not particularly toxic

Name Derivation :

Geranium: From the Greek 'geranos' = a crane, referring to the slender long-beaked fruit. (Greek origin )
robertianum: Named after another French botanist - Gaspard Nicolas Robert (1776-1857). (Latin origin )

Planting in rural areas :

Can be planted in rural areas according to ERA Guidelines

Description, Habitat and Distribution
Habitat in Europe: Data will be available in the next update of this website.
Preferred habitat in Malta: Data will be available in the next update of this website.
Botanical Description: Annual or biennial, often turning red, more or less hairy. Stems 10-50 cm, procumbent to ascending. Leaves 3-8 cm wide, very deeply divided, so as to appear compound, with 3(-5) principal divisions, which are 2-pinnatisect with oblong, mucronate or apiculate segments. Pedicels with long, patent glandular and deflexed eglandular hairs. Sepals 7-9 mm, erect, lanceolate, aristate, hirsute. Petals 9-13(-15) mm; limb 6-9 mm, obovate-cuneate, entire, bright pink, abruptly contracted to a narrow claw. Pollen orange. Mericarps separating without stylar beak, but remaining attached to the axis by a strand of delicate fibres; with 1 or 2 strong, transverse ridges at the apex and a few low, irregular ridges forming an open reticulum elsewhere; ridges usually hairy.
Chromosome number: 2n=32, 64
Distributional range: Europe except the extreme north.

Distributional map in Europe
and the Mediterranean region (2018):
Occurrences in Europe.
(from Flora Europaea pre year 1993):
All except Doubtful in the Balaeric Islands, Faroe Islands, Iceland, Svalbard archipelago
Occurrences in Europe and the Mediterranean region.
(from Euro+Med Checklist, 2019)
  Country codes  
AE Ag Al Ar Au(A) Az Be(L) Bl(I M) Br Bu By Ca(C G H T) Co Cr Cs Ct -Cy Da Es Fe Ga Ge Gg Gr Hb(E) He Ho Hs(A S) Hu It La Li LS Lt Lu Ma Md(M) Mo No Po Rf(C E K N NW S) Rm Sa Si(M S) Sk Sl Sr Su Tn Tu(A E) Uk(K)

Links & Further literature (0 papers)

Google Web

Google Images

Google Scholar

Research Gate




Med Checklist

Cat. of Life



World Flora Online

Plants of the World Online

Vienna Virt. Herb.

RBGE Herbarium

KEW Herbarium




Kindly Email if there are papers and publications about local studies or information about this species to be included in the list above.

Species Images (5 images)
   Geranium robertianum   -   Image Code: GRNRO-0.
   Geranium robertianum   -   Image Code: GRNRO-1.
   Geranium robertianum   -   Image Code: GRNRO-2.
   Geranium robertianum   -   Image Code: GRNRO-3.
   Geranium robertianum   -   Image Code: GRNRO-4.

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Section B:   Where have you seen this plant on the Maltese Islands?
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