Origanum vulgare

Species category

Herb or Spice, Weed

Common name

oregano

Diagnostic characters

Planting unit

NutletNutlet:
A small, dry, indehiscent carpel of a fruit, usually composed of one quarter of the fruit with each enclosing a single seed (e.g. mints).

Shape

OvalOval:
Broadly elliptic.

Size

  • Length 0.8–1.3 mm
  • Width 0.6–1 mm
  • Thickness 0.4–0.5 mm

Color

Various shades of brown

Texture

Finely granularGranular:
Resembling or consisting of small grains or particles.

Other structures

HilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
is on basalBasal:
The base of the fruit or seed opposite the apical end.
end.

Identification notes

Both dorsalDorsal:
Upper side or back of a seed or fruit.
and ventralVentral:
Adaxial; of the side of an organ facing the axis (compare dorsal).
sides are uniformly rounded.

Noxious weed seed categories

Not listed

AOSA examination list

Not included

Nomenclature

Family

Lamiaceae

Valid name

Origanum vulgare L.

 Origanum vulgare.  Nutlets with uniformly rounded dorsal and ventral sides.
Origanum vulgare. Nutlets with uniformly rounded dorsal and ventral sides.
 Origanum vulgare.  Nutlets with uniformly rounded dorsal and ventral sides.
Origanum vulgare. Nutlets with uniformly rounded dorsal and ventral sides.