Consolida ajacis

Species category

Flower, Weed

Common name

doubtful knight's-spur

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

Triangular

Size

  • Length 2–2.5 mm
  • Width 1.9–2.2 mm
  • Thickness 1.9–2.2 mm

Color

Light to dark brown

Texture

Closely spaced, continuous rows of papery ribs

Other structures

HilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
on the broad apexApical:
The distal end of the fruit or seed away from the point of attachment or attachment scar.

Identification notes

Seeds are covered with continuous, transverseTransverse:
Set crosswise, crossing or at right angles.
ribs.

Noxious weed seed categories

Not listed

AOSA examination list

Not included

Nomenclature

Family

Ranunculaceae

Valid name

Consolida ajacis (L.) Schur

Synonyms

Consolida ambigua (L.) P.W. Ball & Heywood
Delphinium ajacis L.
Delphinium ambiguum L.

 Consolida ajacis.  Seeds that are covered with continuous transverse ribs.
Consolida ajacis. Seeds that are covered with continuous transverse ribs.
 Consolida ajacis.  Lateral view of seed. Looking down on a seed ridge. Photo courtesy of USDA-APHIS-PPQ.
Consolida ajacis. Lateral view of seed. Looking down on a seed ridge. Photo courtesy of USDA-APHIS-PPQ.