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MaltaWildPlants.com by Stephen Mifsud |
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External Links: |
Rumex cristatus (Crested Dock) |
Rumex cristatus (POLYGONACEAE.) Images for this profile are taken from the Maltese Islands at or after year 2000. |
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Nomenclature and Basic Information |
Species name : |
Rumex cristatusDC. Published in DC., Cat. Pl. Horti Monsp. 139 (1813) | Synonyms :
(basionym or principal syn.) |
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Plant Family : | Polygonaceae
Juss. (The Dock Family) 19 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 : | Species that was introduced in Malta after year 1492 and spreads to form established, non-invasive populations. It 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 [link]: | Not Protected by Law (LN200/2011 or LN311/2006) | Red List (1989) : | Not listed in the Red Data Book of the Maltese Islands | Flowering Time : | Apr-Sep | Colour of Flowers: | Green or Inconspicuous |
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Species Description 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):
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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. (Euro+Med Checklist, 2017) -
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] |
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Submit further info on this species |
Use this form to submit more information on this species or report mistakes in this webpage. If information supplied is taken from a book, journal or website, please provide the corresponding reference or website address. Your email address is only for internal communication. Please report only Maltese locations for plants that indicated as rare or very rare (refer to the Nomenclature section). Please do report mistakes, broken links, technical errors, silly typing / grammar errors, misidentifications or taxonomical updates; this will help to improve the website's accuracy. Thanks you! Fill any of the three sections (A/B/C) below and kindly submit the form. * = required fields.
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