Juncus torreyi

Species category

Weed

Common name

Torrey's rush

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

EllipticElliptic:
Outline of an ellipse; greatest width midway sloping to an equally pointed apex and base.

Size

  • Length 0.4–0.5 mm
  • Width 0.2–0.3 mm
  • Thickness 0.2–0.3 mm

Color

Light brown

Texture

Rectangularly reticulatedReticulated:
Resembling a net or network, especially having veins, fibers, or lines crossing the surface.  

Other structures

Dark lobe on the radicleRadicle:
The rudimentary root of the embryo, developing into the primary root after emergence from the seed coat.
end

Identification notes

Reticulations on seed surface are very small.

Noxious weed seed categories

Not listed

AOSA examination list

Not included

Nomenclature

Family

Juncaceae

Valid name

Juncus torreyi Coville

 Juncus torreyi.  Rectangularly reticulated seeds with a dark lobe on the radicle end.
Juncus torreyi. Rectangularly reticulated seeds with a dark lobe on the radicle end.