Echinocereus sp.

Species category

Weed

Common name

hedgehog cactus

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 1.1–1.5 mm
  • Width 1–1.5 mm
  • Thickness 0.5–0.6 mm

Color

Black

Texture

Tubercles

Other structures

Large hilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
making the straight side of the D shape.

Identification notes

Seed margin is indented above the hilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
.

Noxious weed seed categories

Not listed

AOSA examination list

Not included

Nomenclature

Family

Cactaceae

Valid name

Echinocereus Engelm.

 Echinocereus  sp. Seeds with a large hilum that make the straight side of the D shape.
Echinocereus sp. Seeds with a large hilum that make the straight side of the D shape.