Lythrum portula (L.) D.A. Webb
(Water-purslane)

Taxonomic hierarchy:
SpeciesLythrum portula (Water-purslane)
GenusLythrum (a genus of Lythraceae)
FamilyLYTHRACEAE (purple loosestrife and water purslane)
OrderMYRTALES (willowherbs, loosestrifes, gums and tea-trees)
SubclassEU-DICOTS (dicotyledonous flowering plants)
ClassMAGNOLIOPSIDA (flowering plants)
PhylumTRACHEOPHYTA (vascular plants)
KingdomPLANTAE (plants)
DomainEukaryota (eukaryotes)
LifeBIOTA (living things)
Records of Lythrum portula (Water-purslane) :
1: Lythrum portula (Water-purslane)
3 Oct 2016 OSGR: SZ19 50° 50’ N, 1° 50’ W Vice County: South Hants (VC 11) England
growing on damp mud at edge of pond
Image 1: PlantImage 2: Shoot - enlarged
2: Lythrum portula (Water-purslane)
30 Jul 2006 OSGR: SU66 51° 20’ N, 1° 10’ W Vice County: Berks (VC 22) England
in muddy hollow in track
Image 1: Fruiting stem - close-upImage 2: Plant - in situImage 3: Capsule - calyx removed - end view - close-up - magnifiedImage 4: Capsule - calyx removed - side view - close-up - magnifiedImage 5: Capsule - close-up - top view - magnifiedImage 6: Capsule - part-opened to show seeds - close-up - magnifiedImage 7: Capsule - part-opened to show seeds - close-up - magnified (2)Image 8: Capsule - top view - close-up - magnifiedImage 9: Capsule - top view - close-up - magnified (2)Image 10: Fruiting stem - close-up - enlargedImage 11: Fruits - lateral view - close-up - highly enlargedImage 12: Fruits - oblique view - close-up - highly enlargedImage 13: Fruits - oblique view - close-up - highly enlarged (2)Image 14: Leaf - close-up - enlargedImage 15: Leaf - upper and under surfaces - close-up - enlargedImage 16: Seeds - highly enlargedImage 17: Seeds - magnifiedImage 18: Seeds - magnified (2)Image 19: Seeds - magnified (3)
3: Lythrum portula (Water-purslane)
22 Jul 1978 OSGR: SU82 50° 60’ N, 0° 50’ W Vice County: West Sussex (VC 13) England

specimen with a few branches

Image 1: Plant - close-upImage 2: Plant - in situ

Identification Works

AuthorYearTitleSource
() Lansdown R.V. & Pankhurst T.J. Field Guide to the Identification of Difficult Aquatic Plants of the New Forest
Poland, J. 2007 Maddening Mimics: a belated reply BSBI News 106: 4-6.

Lythrum portula (Water-purslane) may also be included in identification literature listed under the following higher taxa:

NBNNBN (data.nbn.org.uk) has a distribution map for Lythrum portula (Water-purslane)
BioInfoBioInfo (www.bioinfo.org.uk) has 2 host/parasite/foodplant and/or other relationships for Lythrum portula (Water-purslane)
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