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Sambucus nigra subsp. cerulea

Species category

Shrub or Tree, Weed

Common name

blue elder, blue elderberry, elderberry

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 2.8–3.5 mm
  • Width 1.4–2 mm
  • Thickness 1.2–1.8 mm

Color

Brown

Texture

Strong transverseTransverse:
Set crosswise, crossing or at right angles.
 ribbing

Other structures

Inconspicuous hilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
 at base

Identification notes

TransverseTransverse:
Set crosswise, crossing or at right angles.
 ribs are irregular.

Noxious weed seed categories

Not listed

AOSA examination list

Not included

Nomenclature

Family

Caprifoliaceae

Valid name

Sambucus nigra subsp. cerulea (Raf.) R. Bolli

Synonyms

Sambucus caerulea Raf., orth. var.
Sambucus caerulea Raf. var. neomexicana (Wooton) Rehder, orth. var.
Sambucus caerulea Raf. var. velutina (Durand & Hilg.) Schwerin, orth. var.
Sambucus cerulea Raf.
Sambucus cerulea Raf. var. neomexicana (Wooton) Rehder
Sambucus cerulea Raf. var. velutina (Durand & Hilg.) Schwerin
Sambucus glauca Nutt.
Sambucus mexicana C. Presl ex DC. ssp. cerulea (Raf.) A.E. Murray
Sambucus mexicana C. Presl ex DC. var. cerulea (Raf.) A.E. Murray
Sambucus mexicana C. Presl ex DC. ssp. caerulea (Raf.) A.E. Murray, orth. var.
Sambucus mexicana C. Presl ex DC. var. caerulea (Raf.) A.E. Murray, orth. var.
Sambucus neomexicana Wooton
Sambucus neomexicana Wooton var. vestita (Wooton & Standl.) Kearney & Peebles
Sambucus nigra L. ssp. caerulea (Raf.) R. Bolli, orth. var.
Sambucus velutina Durand & Hilg.

Sambucus nigra ssp. cerulea. True seeds with irregular transverse ribs.
Sambucus nigra ssp. cerulea. True seeds with irregular transverse ribs.