Medicago rigidula

Species category

Herb

Common name

Tifton burclover, rigid medick

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

Reniform (kidney shaped)

Size

  • Length 3–4 mm
  • Width 1.5–2.5 mm
  • Thickness 1.2–1.4 mm

Color

Brown

Texture

Smooth

Other structures

HilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
is deep in concave margin.

Identification notes

Weak line between 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

State Noxious Weed: Arizona 

AOSA examination list

Not included

Nomenclature

Family

Fabaceae

Valid name

Medicago rigidula (L.) All.

 Medicago rigidula.  Seeds with a weak line between the radicle and cotyledon lobes.
Medicago rigidula. Seeds with a weak line between the radicle and cotyledon lobes.