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   22 Sep 2019      ()
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Nasturtium officinale   (Watercress)


Nasturtium officinale   (BRASSICACEAE.) 
Images for this profile are taken from the Maltese Islands at or after year 2000.

Page Contents + Links

 
Nomenclature and Basic Information Images
External Links Support and sales
Submit information Website FORUM
Sponsors & Adverts Copyright notes
Brassicaceae Index Plant Family Index
 
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Profile Date Oct-2010 (last update: 12-Jan-2019)
Citation for this page Mifsud, S. (Oct-2010) Nasturtium officinale retrieved from MaltaWildPlants.com on 2019-Sep-22

Nomenclature and Basic Information

Species name :

Nasturtium officinale R. Brown
Published in Hort. Kew. ed. 2, 4: 111 (1812)

Synonyms :
(basionym or principal syn.)

Nasturtium aquatica
Full list of synonyms : [Euro+Med] [PlantList] [IPNI] [POWO] [Catalogue of Life ]

Plant Family :

Brassicaceae Juss. (=Cruciferae) (The Mustard or Cress Family)
47 species from the Brassicaceae family are recorded from the Maltese Islands.

English name(s) :

Watercress

Maltese name(s) :

Krexxuni, Sija

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 [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 :

Jan-Jun

Colour of Flowers:

White


Species Description and Distribution

Habitat in Europe:

Wet places

Preferred habitat in Malta:

Data will be available in the next update of this website.

Botanical Description:

Perennial 10-100 cm with fleshy, hollow stems, procumbent and rooting at the lower nodes, upwards ascending, sometimes floating; more or less glabrous. Leaves petiolate, often auriculate, pinnate, with 2-9 pairs of lobes, which are rounded to broadly elliptical and more or less entire. Pedicels 8-12 mm, patent to somewhat reflexed. Petals 3.5-5(-6) mm, white to pale purplish, about twice as long as the sepals. Fruit 10-18(-24) x 2-2.7(-3) mm, straight or curved; style 0.5-1.8(-2) mm. Seeds in 2 distinct rows in each loculus, with c. 25 polygonal depressions on each face.

Chromosome number:

2n=32

Distributional range:

Europe, northwards to Scotland, S. Sweden and to c. 55° N. in Russia

Native region outside Europe:

doubtfully native in Az


Distributional map in Europe
and the Mediterranean region (2018):

Occurrences in Europe.
(from Flora Europaea pre year 1993):

All Europe except Faroe Islands, Finland, Iceland, Norway, Russia and former USSR, Svalbard archipelago

Occurrences in Europe and the Mediterranean region.
(Euro+Med Checklist, 2017) - Country codes

AE(G) Ag Al Ar Au(A) dAz(C F G J L M P S T) Be(B) Bl(I M N) Br Bu Cg Co Cr Cs Ct Cy Da Eg Es Ga(F) Ge Gr Hb(E) He Ho Hs(A S) Hu IJ It Li Lu Ma Md(M P) Mk Mo Po Rf Rm Sa Si(M S) Sk Sl Sn Sr Su Tn Tu(A E) Uk(K U) [nCa(C F G P T)]


Images (10 images)
   Nasturtium officinale   -   Image Code: NSTOF-0.
   Nasturtium officinale   -   Image Code: NSTOF-1.
   Nasturtium officinale   -   Image Code: NSTOF-2.
   Nasturtium officinale   -   Image Code: NSTOF-3.
   Nasturtium officinale   -   Image Code: NSTOF-4.
   Nasturtium officinale   -   Image Code: NSTOF-5.
   Nasturtium officinale   -   Image Code: NSTOF-6.
   Nasturtium officinale   -   Image Code: NSTOF-7.
   Nasturtium officinale   -   Image Code: NSTOF-8.
   Nasturtium officinale   -   Image Code: NSTOF-9.

Links & Further info

Google Web

Google Images

Yahoo Web

Yahoo Images

Wikipedia

JSTOR

GBIF

Med Checklist

Cat. of Life

EoL

IPNI

The Plant List

NYBG

Vienna Virt. Hb.

RBGE

KEW

MNHN

Arkive


Buy Seeds and Docs
Seeds of wild plants for sale for studies, trials, research, or personal use. Note that not all species' seeds can be exported (depending on Maltese regulations and CITES). Availability depends on season. For these reasons you are kindly requested to first fill and submit a quotation form by which you will get confirmation of the purchase, availability and charges.   Online Quotation (Seeds)

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