by Stephen Mifsud
   24 Jun 2024      ()
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Leontodon tuberosus   (Tuberous Hawkbit)

Leontodon tuberosus  (ASTERACEAE.) 
Images for this profile are taken from the Maltese Islands after year 2000.

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Profile Date Nov-2007 (taxon update: none)
Citation for this page Mifsud, S. (2022). Leontodon tuberosus - datasheet created on Nov-2007. Retrieved from on 24-Jun-2024

Nomenclature and Basic Information

Species name :

Leontodon tuberosusL.
Published in Sp. Pl. : 799 (1753)

Synonyms :
(basionym or principal syn.)

Thrincia tuberosa DC.
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) :

Tuberous Hawkbit

Maltese name(s) :

Żigland tal-għerq

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]: HEMICRYPTOPHYTE ( prostate plants with flowers close to the ground )
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 :

September – March

Colour of Flowers:



Not particularly toxic

Name Derivation :


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: Perennial with long, slender tubers. Stems 1-6, 7-35 cm, simple, with few to numerous, rigid, simple eglandular or long-stalked 2- to 3-fid hairs; bracts 0-2. Leaves 20-140 x 5-25 mm, obovate to oblanceolate-oblong, more or less obtuse, retrorse-dentate to runcinate-pinnatifid, narrowed to a sometimes dentate petiole, with numerous rigid, long-stalked 2- to 3-fid hairs. Capitulum solitary. Involucre 9-15 x 6-10 mm; bracts oblong, narrowed to an obtuse apex, glabrous or with rigid, long-stalked 2-fid hairs often confined to a median line. Ligules yellow, the outer with a greenish stripe on the outer face. Stigmas yellow or discoloured. Achenes 3-7 mm, transversely rugose or muricate, of 2 kinds; outer curved, sometimes with a short beak and with a pappus of hairs not more than 0.5 mm; inner usually straight, beaked, the pappus of 2 rows of plumose hairs.
Chromosome number: 2n=8
Distributional range: Mediterranean region, Portugal

Distributional map in Europe
and the Mediterranean region (2018):
Occurrences in Europe.
(from Flora Europaea pre year 1993):
Albania, the Balaeric Islands, Corse, Crete, France (incl. Monaco and Channel Islands but excluding Corse), Greece, Spain (incl. Andorra but excl. the Balaerics), Italy (excl. Sicily and Sardignia), ex-Jugoslavia, Portugal, Sardinia, Sicily and/or Malta, Turkey (European part)
Occurrences in Europe and the Mediterranean region.
(from Euro+Med Checklist, 2019)
  Country codes  
? AE(G T) Ag Al BH Bl(I M N) Bu Cg Co Cr Ct Cy Eg Ga(F M) Gr Hs(S) Ir It Jo Le Li Lu Ma Mk Sa Si(M S) Sl Sy Tn Tu(A E)

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 (11 images)
   Leontodon tuberosus   -   Image Code: LEOTU-0.
   Leontodon tuberosus   -   Image Code: LEOTU-1.
   Leontodon tuberosus   -   Image Code: LEOTU-2.
   Leontodon tuberosus   -   Image Code: LEOTU-3.
   Leontodon tuberosus   -   Image Code: LEOTU-4.
   Leontodon tuberosus   -   Image Code: LEOTU-5.
   Leontodon tuberosus   -   Image Code: LEOTU-6.
   Leontodon tuberosus   -   Image Code: LEOTU-7.
   Leontodon tuberosus   -   Image Code: LEOTU-8.
   Leontodon tuberosus   -   Image Code: LEOTU-9.
   Leontodon tuberosus   -   Image Code: LEOTU-10.

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