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Anagallis arvensis

Species category

Flower

Common name

scarlet pimpernel, poor man's weather glass, scarlet yellow-loosestrife

Diagnostic characters

Planting unit

True seedTrue seed:
A mature fertilized ovule consisting of an embryo, with or without and external food reserve (e.g., endosperm) enclosed by the testa.

Shape

Blocky and irregular

Size

  • Length: 1 mm
  • Width: 0.5 mm
  • Thickness: 0.5 mm

Color

Red surface with light brown granules

Texture

GranularGranular:
Resembling or consisting of small grains or particles.

Other structures

Irregular angular shapes

Identification notes

Seeds quite small and covered with brown granules.

Noxious weed seed categories

Not listed

AOSA examination list

Included

Nomenclature

Family

Primulaceae

Valid name

Anagallis arvensis L.

Synonyms

Lysimachia arvensis (L.) U. Manns & Anderb.

Anagallis arvensis.  Blocky and irregularly shaped true seeds.
Anagallis arvensis. Blocky and irregularly shaped true seeds.
Anagallis arvensis.  Red surface with light to dark brown granules.
Anagallis arvensis. Red surface with light to dark brown granules.
Anagallis arvensis. Looking down at one end of two seeds to show the three-sided shape. Photo courtesy of USDA-APHIS-PPQ.
Anagallis arvensis. Looking down at one end of two seeds to show the three-sided shape. Photo courtesy of USDA-APHIS-PPQ.