Antirrhinum majus

Species category

Flower, Weed

Common name

garden snapdragon

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

OvalOval:
Broadly elliptic.

Size

  • Length: 0.9–1.1 mm
  • Width: 0.7–0.8 mm
  • Thickness: 0.5–0.6 mm

Color

Dark brown to black

Texture

Deep irregular cavities with irregular walls

Other structures

Bases of cavities are granularGranular:
Resembling or consisting of small grains or particles.
.

Identification notes

Surface is very irregular with cavities made by irregular ridges.

Noxious weed seed categories

Not listed

AOSA examination list

Not included

Nomenclature

Family

Scrophulariaceae

Valid name

Antirrhinum majus L.

 Antirrhinum majus.  The surface of a true seed has deep, irregular cavities with irregular walls.
Antirrhinum majus. The surface of a true seed has deep, irregular cavities with irregular walls.
 Antirrhinum majus . The bases of cavities are granular.
Antirrhinum majus. The bases of cavities are granular.
 Antirrhinum majus.  The surface is very irregular with cavities made by irregular ridges.
Antirrhinum majus. The surface is very irregular with cavities made by irregular ridges.