Linum lewisii

Species category

Flower, Weed

Common name

Lewis flax

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

ObovateObovate:
Inverted egg shaped with apical end the broadest.

Size

  • Length 3.3–3.5 mm
  • Width 1.8–2 mm
  • Thickness 0.8–1 mm

Color

Black and brown mottled

Texture

Wrinkled with fine stipplesStipples:
Numerous small dots or specks.

Other structures

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

Identification notes

Margin is sharp.

Noxious weed seed categories

Not listed

AOSA examination list

Not included

Nomenclature

Family

Linaceae

Valid name

Linum lewisii Pursh 

 Linum lewisii.  Wrinkled seeds with fine stipples.
Linum lewisii. Wrinkled seeds with fine stipples.