Euphorbia serrata

Species category

Weed

Common name

serrate spurge

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

Broadly ovalOval:
Broadly elliptic.

Size

  • Length 2 mm
  • Width 1.5 mm
  • Thickness 1.5 mm

Color

Dark brown

Texture

Smooth

Other structures

Oblique hilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
and thin rapheRaphe:
A seam or ridge found on seeds.

Identification notes

Seeds are very smooth and almost shiny. HilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
is somewhat oblique. RapheRaphe:
A seam or ridge found on seeds.
is thin dark line.

Noxious weed seed categories

State Noxious Weed: California, Hawaii 

AOSA examination list

Not included

Nomenclature

Family

Euphorbiaceae

Valid name

Euphorbia serrata L.

 Euphorbia serrata.  Seeds with an oblique hilum and thin raphe. 
Euphorbia serrata. Seeds with an oblique hilum and thin raphe.