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Pinus engelmannii

Pinus engelmannii Carrière

Apache Pine

Pinaceae (Pine Family)

Synonym(s): Pinus apacheca, Pinus latifolia

USDA Symbol: PIEN2

USDA Native Status: L48 (N)

Medium-sized tree with straight axis, open, rounded crown of few, large, spreading branches, 1 row added a year, and very long needles.

This Mexican pine extends northward to the Chiricahua Mountains and a few other ranges near the border. As the name implies, it grows in Apache Indian country. The seedlings pass through a grasslike stage with a short stem and very long needles to 15" (38 cm), as does Longleaf Pine (Pinus palustris Mill.) in the Southeast.

The species of this plant is named for George Engelmann (1809-1884) who was born in Germany and settled in St. Louis, Missouri, as a young man. He was a physician and botanist, describing especially North American Abies (Firs), Agaves, Cactus (for which he described more than 108 species), Cuscuta (Dodder), Euphorbiaceae (Spurge Family), Juncus (Rushes), Juniperus (“Cedar”), Pinus (Pines), Vitis (Grapes), and Yuccas. When he died much of his collection went to Missouri Botanical Garden.


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Plant Characteristics

Duration: Perennial
Habit: Tree
Leaf Retention: Evergreen
Leaf Arrangement: Fascicled
Leaf Complexity: Simple
Leaf Shape: Linear
Breeding System: Flowers Unisexual , Monoecious
Fruit Type: Cone
Size Notes: Up to about 100 feet tall.

Bloom Information

Bloom Color: Yellow , Brown
Bloom Notes: Cones yellow to yellow-brown. Seed cones take 2 years to mature.


Native Distribution: SE. Arizona and extreme SW. New Mexico; also N. Mexico; at 5000-8200' (1524-2499 m).
Native Habitat: Rocky ridges and slopes of mountains; with Arizona Pine and Chihuahua Pine.

Web Reference

Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

USDA: Find Pinus engelmannii in USDA Plants
FNA: Find Pinus engelmannii in the Flora of North America (if available)
Google: Search Google for Pinus engelmannii


Record Modified: 2023-06-07
Research By: TWC Staff

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