by Stephen Mifsud
   23 May 2024      ()
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Jacobaea maritima subsp. sicula   (Sicilian Silver Ragwort)

Jacobaea maritima subsp. sicula  (ASTERACEAE.) 
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). Jacobaea maritima subsp. sicula - datasheet created on Dec-2007. Retrieved from on 23-May-2024

Nomenclature and Basic Information

Species name :

Jacobaea maritima subsp. siculaN.G.Passal., Peruzzi & Pellegrino
Published in Ind. Sem. Horti Panorm. 1859: 30 (1860)

Synonyms :
(basionym or principal syn.)

Senecio bicolor subsp. cineraria (DC.) Chate
Full list of synonyms : [Euro+Med] [PlantList] [IPNI] [POWO] [Catalogue of Life] []

Plant Family :

Asteraceae Bercht. & J.Presl (=Compositae) (The Daisy or Sunflower Family)
123 species from the Asteraceae family are recorded from the Maltese Islands.

English name(s) :

Sicilian Silver Ragwort

Maltese name(s) :

Kromb il-baħar isfar

Status for Malta :

Subendemic. Found in Malta and neighbouring territories such as in Sicily, Lampedusa, Pantelleria, and other islands.

Frequency :

Very Common     Common    Frequent    Scarce     Rare    Very rare    Extinct

Growth form :

Raunkiaer lifeform [info]: CHAMEOPHYTE ( dwarf or small woody shrubs )
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 :

May – July

Colour of Flowers:



Not particularly toxic

Name Derivation :

maritima subsp. sicula:

Planting in rural areas :

Encouraged to be planted in the wild that is in rural areas including ODZ.

Remarks :

After a morphological and molecular study on the Jacobaea maritima complex, it was found that the Maltese plants (formerely known as Senecio bicolor) are different from the other Jacobaea species or subspecies; therefore described as a new taxon: Jacobaea maritima subsp. sicula. This subspecies is also and only found in Sicily and its islands and so this plant is a endemic to Sicily and Malta (subendemic to Malta). It is protected by regulation 26 of legal notice LN311/2006

Description, Habitat and Distribution
Habitat in Europe: Rocky and sandy places
Preferred habitat in Malta: Data will be available in the next update of this website.
Botanical Description: Dwarf shrub 25-50(-100) cm. Stems much-branched at the base and sometimes also above, stout, densely white-tomentose, with the leaves mostly crowded towards the base of the flowering stems and forming rosettes on the non-flowering shoots. Leaves 4-15 x 2.5-7 cm, ovate to lanceolate, dentate to pinnate, densely whitish-tomentose beneath, more or less arachnoid-tomentose, greenish and glabrescent above. Capitula many, 12-15 mm in diameter, in dense, compound corymbs. Involucre 5-8 mm, with up to 5 supplementary bracts 1-2 mm. Ligules 10-13, 3-6 mm, yellow.
Distributional range: Mediterranean region locally naturalized elsewhere.

Distributional map in Europe
and the Mediterranean region (2018):
Occurrences in Europe.
(from Flora Europaea pre year 1993):
Corse, France (incl. Monaco and Channel Islands but excluding Corse), Greece, Spain (incl. Andorra but excl. the Balaerics), Italy (excl. Sicily and Sardignia), ex-Jugoslavia, Sardinia, Sicily and/or Malta, Introduced in  the Balaeric Islands, Britain (excl. Northern Ireland and Channel islands), Ireland, Portugal, Russia and former USSR
Occurrences in Europe and the Mediterranean region.
(from Euro+Med Checklist, 2019)
  Country codes  
? AE(G) Ga(F) Gr It Si(S) Tn Tu(A) [-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 (12 images)
   Jacobaea maritima subsp. sicula   -   Image Code: JCBMS-0.
   Jacobaea maritima subsp. sicula   -   Image Code: JCBMS-1.
   Jacobaea maritima subsp. sicula   -   Image Code: JCBMS-2.
   Jacobaea maritima subsp. sicula   -   Image Code: JCBMS-3.
   Jacobaea maritima subsp. sicula   -   Image Code: JCBMS-4.
   Jacobaea maritima subsp. sicula   -   Image Code: JCBMS-5.
   Jacobaea maritima subsp. sicula   -   Image Code: JCBMS-6.
   Jacobaea maritima subsp. sicula   -   Image Code: JCBMS-7.
   Jacobaea maritima subsp. sicula   -   Image Code: JCBMS-8.
   Jacobaea maritima subsp. sicula   -   Image Code: JCBMS-9.
   Jacobaea maritima subsp. sicula   -   Image Code: JCBMS-10.
   Jacobaea maritima subsp. sicula   -   Image Code: JCBMS-11.

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