MaltaWildPlants.com by Stephen Mifsud
 
     
   19 Mar 2024      ()
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Rumex cristatus   (Crested Dock)


Rumex cristatus  (POLYGONACEAE.) 
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). Rumex cristatus - datasheet created on Nov-2007. Retrieved from MaltaWildPlants.com on 19-Mar-2024

Nomenclature and Basic Information

Species name :

Rumex cristatusDC.
Published in Cat. Pl. Horti Monsp. 139 (1813)

Synonyms :
(basionym or principal syn.)

Rumex graecus Boiss. & Heldr.
Full list of synonyms : [Euro+Med] [PlantList] [IPNI] [POWO] [Catalogue of Life] [Worldplants.de]

Plant Family :

Polygonaceae Juss. (The Dock Family)
24 species from the Polygonaceae family are recorded from the Maltese Islands.

English name(s) :

Crested Dock, Greek Dock

Maltese name(s) :

Qarsajja kbira

Status for Malta :

Naturalised Alien. Species that was introduced in Malta after year 1492 (Columbus' discovery of the New World) and spreads and integrates to form established, non-invasive populations. Species may become become invasive if it widespreads rapidly.

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 :

April – September

Colour of Flowers:

Green or Inconspicuous

Toxicity:

Not particularly toxic

Name Derivation :

Rumex:
cristatus: Having tassel-like (comb-like) tips, crested. (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: Perennial 40-200 cm. Basal leaves 20-30 x 10-15 cm, ovate-lanceolate, with a cordate base, acute at the apex; lateral veins joining the midrib of the leaf at an angle of 60-80°; petiole up to 1/2 as long as the lamina. Valves 5-8 x 5-8 mm, reddish-brown when ripe, cordate, with very small, irregular, acute teeth up to 1 mm; all with unequal tubercles. Nut 3-3.5 mm, dark brown.
Distributional range: Balkan peninsula and E.C. Europe naturalized further west.

Distributional map in Europe
and the Mediterranean region (2018):
Occurrences in Europe.
(from Flora Europaea pre year 1993):
Albania, Bulgaria, Greece, Hungary, ex-Jugoslavia, Romania, Turkey (European part), Introduced in  Britain (excl. Northern Ireland and Channel islands), Spain (incl. Andorra but excl. the Balaerics), Italy (excl. Sicily and Sardignia), Portugal, Sicily and/or Malta
Occurrences in Europe and the Mediterranean region.
(from Euro+Med Checklist, 2019)
  Country codes  
? AE Al Bu Cr Cy Gr Mk Si(M S) Tu(A E) Uk(K) [Au(A) aBe(B) nBr nGa(F) Ge He nHs(S) nIt nLu]

Links & Further literature (0 papers)

Google Web

Google Images

Google Scholar

Research Gate

Wikipedia

JSTOR

GBIF

Med Checklist

Cat. of Life

EoL

IPNI

World Flora Online

Plants of the World Online

Vienna Virt. Herb.

RBGE Herbarium

KEW Herbarium

MNHN

Arkive

IUCN

CABI
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 (13 images)
   Rumex cristatus   -   Image Code: RMXCR-0.
   Rumex cristatus   -   Image Code: RMXCR-1.
   Rumex cristatus   -   Image Code: RMXCR-2.
   Rumex cristatus   -   Image Code: RMXCR-3.
   Rumex cristatus   -   Image Code: RMXCR-4.
   Rumex cristatus   -   Image Code: RMXCR-5.
   Rumex cristatus   -   Image Code: RMXCR-6.
   Rumex cristatus   -   Image Code: RMXCR-7.
   Rumex cristatus   -   Image Code: RMXCR-8.
   Rumex cristatus   -   Image Code: RMXCR-9.
   Rumex cristatus   -   Image Code: RMXCR-10.
   Rumex cristatus   -   Image Code: RMXCR-11.
   Rumex cristatus   -   Image Code: RMXCR-12.

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