Arizona Naturalists >>> Ponderosa Woodland Flora >>> Pinaceae >>> Pinus ponderosa

Ponderosa Pine

Pinus ponderosa

Ponderosa Pine, Pinus ponderosa, photo © by Mike Plagens

Observed in open, ponderosa forest near the summit of Mt. Ord, Maricopa Co., Arizona, USA. 24 July 2011.

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CONES: Reddish-brown seed cones are mostly 4 to 6 cm long and ovoid.
leaf of Scurf Pea, Psoralidium tenuiflorum
LEAVES: Leaf-needles are mostly fascicled in groups of three, varying rarely between two and five. They are relatively long, flexible and yellow-green in color.

TREE: Mature trees in Arizona old-growth settings reach 30+ meters in height and have rich reddish-brown bark broken into plate-like pattern. Younger trees have dark brown or gray bark.

RANGE: Found in montane habitats through much of Arizona, but less common in the mountains of southeastern Arizona.

UNARMED. No spines; tips of needles slightly sharp.

Pinaceae -- Pine Family

More Information:

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Arizona Naturalist
Arizona's Ponderosa Woodlands
The Flora of Arizona's Ponderosa Woodlands


Copyright Michael J. Plagens, page created 14 February 2013