Mahonia repens

Species category

Flower, Shrub or Tree, Weed

Common name

creeping barberry

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

ObovateObovate:
Inverted egg shaped with apical end the broadest.

Size

  • Length 3.5–5 mm
  • Width 2–2.1 mm
  • Thickness 1.5–1.7 mm

Color

Dark brown

Texture

Stippled

Other structures

HilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
is lateral at base connecting the seed base with the longitudinal rib.

Identification notes

Two flat surfaces on the ventralVentral:
Adaxial; of the side of an organ facing the axis (compare dorsal).
side with a longitudinal rib between.

Noxious weed seed categories

Not listed

AOSA examination list

Not included

Nomenclature

Family

Berberidaceae

Valid name

Mahonia repens (Lindl.) G. Don

Synonyms

Berberis amplectens (Eastw.) L.C. Wheeler
Berberis aquifolium Pursh var. repens (Lindl.) Scoggan
Berberis pumila Greene
Berberis repens Lindl.
Berberis sonnei (Abrams) McMinn
Mahonia amplectens Eastw.
Mahonia pumila (Greene) Fedde
Mahonia sonnei Abrams
Odostemon pumilus (Greene) A. Heller
Odostemon repens (Lindl.) Cockerell

 Mahonia repens.  Stippled seeds with two flat surfaces on the ventral side with a longitudinal rib between.
Mahonia repens. Stippled seeds with two flat surfaces on the ventral side with a longitudinal rib between.