Pinus ponderosa

Species category

Shrub or Tree

Common name

ponderosa pine, bull pine, western yellow pine, blackjack pine, rock pine

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 7–7.5 mm
  • Width 4.5–5 mm
  • Thickness 3–3.2 mm

Color

Brown and gray mottled

Texture

Smooth

Other structures

Fragment of wing often surrounds the seed.

Identification notes

Seeds are borne beneath the scales of a cone. They are often associated with wings, which are totally or partially removed in the conditioning process.

Noxious weed seed categories

Not listed

AOSA examination list

Included

Nomenclature

Family

Pinaceae

Valid name

Pinus ponderosa Douglas ex P. Lawson & C. Lawson

 Pinus ponderosa . True seeds that are often associated with wings, which are totally or partially removed in the conditioning process.
Pinus ponderosa. True seeds that are often associated with wings, which are totally or partially removed in the conditioning process.