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Papaver rhoeas

Species category

Flower

Common name

corn poppy

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

Kidney

Size

  • Length 0.8–1 mm
  • Width 0.5–0.7 mm
  • Thickness 0.5–0.7 mm

Color

Brown

Texture

Shallow reticulum with small, stippled interspaces

Other structures

HilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
 is in the concavity of the margin.

Identification notes

Seed somewhat short and thick with a curved axis. Base a bit narrower than the apexApical:
The distal end of the fruit or seed away from the point of attachment or attachment scar.
. Reticulum pattern of unilateral interspaces that vary from round to square.

Noxious weed seed categories

Not listed

AOSA examination list

Included

Nomenclature

Family

Papaveraceae

Valid name

Papaver rhoeas L.

Papaver rhoeas. True seeds with a shallow reticulum with small stippled interspaces. 
Papaver rhoeas. True seeds with a shallow reticulum with small stippled interspaces. 
Papaver rhoeas. True seeds with a shallow reticulum that has a pattern of unilateral interspaces that vary from round to square.
Papaver rhoeas. True seeds with a shallow reticulum that has a pattern of unilateral interspaces that vary from round to square.