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Lupinus argenteus subsp. rubricaulis

Species category

Flower

Common name

silvery lupine

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 4.5–5.5 mm
  • Width 3.2–4.8 mm
  • Thickness 2–2.2 mm

Color

White to black; white and black mottled.

Texture

Smooth

Other structures

HilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
 is off center at base.

Identification notes

Some indentations on the surface.

Noxious weed seed categories

Not listed

AOSA examination list

Not included

Nomenclature

Family

Fabaceae

Valid name

Lupinus argenteus subsp. rubricaulis (Greene) L.W. Hess & D.B. Dunn

Synonyms

Lupinus argenteus Pursh var. rubricaulis (Greene) S.L. Welsh 
Lupinus caudatus Kellogg var. rubricaulis (Greene) C.P. Sm.
Lupinus rubricaulis Greene

Lupinus argenteus ssp. rubricaulis. Seeds with white and black mottling.
Lupinus argenteus ssp. rubricaulis. Seeds with white and black mottling.
Lupinus argenteus ssp. rubricaulis. Seeds with an off-center at base.
Lupinus argenteus ssp. rubricaulis. Seeds with an off-center at base.