Lithospermum ruderale

Species category

Weed

Common name

western stoneseed, western gromwell, white stoneseed

Diagnostic characters

Planting unit

NutletNutlet:
A small, dry, indehiscent carpel of a fruit, usually composed of one quarter of the fruit with each enclosing a single seed (e.g. mints).

Shape

ObovateObovate:
Inverted egg shaped with apical end the broadest.
; the cross-section is circular.

Size

  • Length 4.6–4.7 mm
  • Width 3.5–3.6 mm
  • Thickness 3.5–3.6 mm

Color

White

Texture

Shiny and porcelain like

Other structures

ApexApical:
The distal end of the fruit or seed away from the point of attachment or attachment scar.
has crown.

Identification notes

Base pointed.

Noxious weed seed categories

Not listed

AOSA examination list

Not included

Nomenclature

Family

Boraginaceae

Valid name

Lithospermum ruderale Douglas ex Lehm.

Synonyms

Lithospermum pilosum Nutt.

 Lithospermum ruderale.  Shiny and porcelain-like nutlets with an apex with a crown.
Lithospermum ruderale. Shiny and porcelain-like nutlets with an apex with a crown.