Trifolium tumens

Species category

Weed

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

OvalOval:
Broadly elliptic.

Size

  • Length 1.3–1.8 mm 
  • Width 1–1.2 mm 
  • Thickness 0.8–1 mm 

Color

Green to brown

Texture

Smooth

Other structures

The axes of 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 are near parallel.

Identification notes

The surface groove between seed lobes is often light-colored.

Noxious weed seed categories

Not listed

AOSA examination list

Not included

Nomenclature

Family

Fabaceae

Valid name

Trifolium tumens Steven ex M. Bieb.

 Trifolium tumens.  True seeds with light coloring between the lobes.
Trifolium tumens. True seeds with light coloring between the lobes.