ITP Logo

Delphinium glaucum

Species category

Flower

Common name

Sierra 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

Blocky and irregularly winged

Size

  • Length 2 mm
  • Width 1 mm
  • Thickness 0.5 mm

Color

Black and gray with a transparent covering

Texture

Papery, wrinkled, and glossy

Other structures

Transparent irregular wings

Identification notes

Seed is blocky with irregular shape, trapezoidal to rectangular.

Noxious weed seed categories

Not listed

AOSA examination list

Not included

Nomenclature

Family

Ranunculaceae

Valid name

Delphinium glaucum S. Watson

Synonyms

Delphinium brownii Rydb.
Delphinium scopulorum auct. non A. Gray
Delphinium scopulorum A. Gray var. glaucum (S. Watson) A. Gray

Delphinium glaucum . Seeds with transparent, irregular wings. Photo courtesy of Colorado State University, Department of Soil and Crop Sciences.
Delphinium glaucum. Seeds with transparent, irregular wings. Photo courtesy of Colorado State University, Department of Soil and Crop Sciences.