Trifolium ochroleucum

Species category

Weed

Common name

sulphur clover

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

Mitten

Size

  • Length 1.6–2 mm 
  • Width 1.2–1.6 mm 
  • Thickness 0.9–1.2 mm 

Color

Light brown 

Texture

Smooth

Other structures

Often a small hump is seen above the hilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
on the cotyledonCotyledon:
The modified storage leaf or pair of leaves of an embryo and seedling (see primary leaf).
side.

Identification notes

There is a line on the seed surface separating the radicleRadicle:
The rudimentary root of the embryo, developing into the primary root after emergence from the seed coat.
and cotyledonCotyledon:
The modified storage leaf or pair of leaves of an embryo and seedling (see primary leaf).
lobes.

Noxious weed seed categories

Not listed

AOSA examination list

Not included

Nomenclature

Family

Fabaceae

Valid name

Trifolium ochroleucum Huds.

 Trifolium ochroleucum.  True seeds with a line on the seed surface separating the radicle and cotyledon lobes.
Trifolium ochroleucum. True seeds with a line on the seed surface separating the radicle and cotyledon lobes.