Rubus armeniacus

Species category

Weed

Common name

Himalayan blackberry

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

D-Shaped

Size

  • Length: 3–3.2 mm
  • Width: 2–2.2 mm
  • Thickness: 1–1.2 mm

Color

Brown

Texture

Reticulate

Other structures

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

Identification notes

Seed often covered with dried fruitFruit:
A mature ovary and any associated parts.
material.

Noxious weed seed categories

Not listed

AOSA examination list

Not included

Nomenclature

Family

Rosaceae

Valid name

Rubus armeniacus Focke

Synonyms

Rubus bifrons Vest.
Rubus discolor Weihe & Nees
Rubus procerus auct. non P.J. Müll. ex Genev

 Rubus armeniacus.  True seed with fruit material. Photo by Julia Scher, USDA-APHIS-PPQ.
Rubus armeniacus. True seed with fruit material. Photo by Julia Scher, USDA-APHIS-PPQ.