Robinia hispida var. fertilis

Species category

Revegetation or Rangeland, Shrub or Tree, Weed

Common name

bristly locust, rose acacia

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 3.5–4.2 mm 
  • Width 2.5–3 mm 
  • Thickness 1.4–1.6 mm 

Color

Various shades of brown with black mottling

Texture

Smooth

Other structures

The seeds are laterally compressed with the hilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
on the margin.

Identification notes

Seeds have a white hilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
and chalazaChalaza:
End of seed opposite the micropyle.
.

Noxious weed seed categories

Not listed

AOSA examination list

Not included

Nomenclature

Family

Fabaceae

Valid name

Robinia hispida L. var. fertilis (Ashe) R.T. Clausen L.

Synonyms

Robinia fertilis Ashe
Robinia grandiflora Ashe
Robinia pedunculata Ashe

 Robinia hispida  var . fertilis.  True seeds with a white hilum and chalaza.
Robinia hispida var. fertilis. True seeds with a white hilum and chalaza.