Trifolium angulatum

Species category

Weed

Common name

crooked 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

OvalOval:
Broadly elliptic.

Size

  • Length 1–1.2 mm 
  • Width 0.7–0.9 mm
  • Thickness 0.3–0.5 mm 

Color

Black

Texture

Rough 

Other structures

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 about the same length.

Identification notes

HilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
is at one end of the ovalOval:
Broadly elliptic.
where 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 end.

Noxious weed seed categories

Not listed

AOSA examination list

Not included

Nomenclature

Family

Fabaceae

Valid name

Trifolium angulatum Waldst. & Kit.

Synonyms

 Trifolium angulatum.  True seeds with the hilum at one end of the oval, where the radicle and cotyledon lobes end. 
Trifolium angulatum. True seeds with the hilum at one end of the oval, where the radicle and cotyledon lobes end.