Delphinium elatum

Species category

Flower, Weed

Common name

candle larkspur

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

Obpyramidal

Size

  • Length 2.5–3.5 mm
  • Width 2–2.2 mm
  • Thickness 1–1.5 mm

Color

Dark brown to black

Texture

Extreme reticulations

Other structures

Flat base and pointed apexApical:
The distal end of the fruit or seed away from the point of attachment or attachment scar.

Identification notes

ReticulatedReticulated:
Resembling a net or network, especially having veins, fibers, or lines crossing the surface.  
surface appears shiny and papery.

Noxious weed seed categories

Not listed

AOSA examination list

Not included

Nomenclature

Family

Ranunculaceae

Valid name

Delphinium elatum L.

 Delphinium elatum.  Seeds with a reticulated surface that appears shiny and papery.
Delphinium elatum. Seeds with a reticulated surface that appears shiny and papery.
 Delphinium elatum.  Multiple views of the seed. Photo courtesy of USDA-APHIS-PPQ.
Delphinium elatum. Multiple views of the seed. Photo courtesy of USDA-APHIS-PPQ.