Pinus monophylla

Single-leaf pinyon
Single-leaf pinyon (Pinus monophylla subsp. monophylla) leaves and immature cones

Secure  (NatureServe)
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Gymnospermae
Division: Pinophyta
Class: Pinopsida
Order: Pinales
Family: Pinaceae
Genus: Pinus
Subgenus: P. subg. Strobus
Section: P. sect. Parrya
Subsection: P. subsect. Cembroides
Species:
P. monophylla
Binomial name
Pinus monophylla
Natural range:
green – Pinus monophylla subsp. monophylla
blue – Pinus monophylla subsp. californiarum
red – Pinus monophylla subsp. fallax
Synonyms
List
    • Caryopitys monophylla (Torr. & Frém.) Rydb.
    • Pinus cembroides var. monophylla (Torr. & Frém.) Voss
    • Pinus cembroides subsp. monophylla (Torr. & Frém.) A.E.Murray
    • Pinus edulis var. monophylla (Torr. & Frém.) Torr.
    • Pinus fremontiana Endl.

Pinus monophylla, the single-leaf pinyon, (alternatively spelled piñon) is a pine in the pinyon pine group, native to North America. The range is in southernmost Idaho, western Utah, Arizona, southwest New Mexico, Nevada, eastern and southern California and northern Baja California.

It occurs at moderate altitudes from 1,200 to 2,300 m (3,900 to 7,500 ft), rarely as low as 950 m (3,120 ft) and as high as 2,900 m (9,500 ft). It is widespread and often abundant in this region, forming extensive open woodlands, often mixed with junipers in the Pinyon-juniper woodland plant community. Single-leaf pinyon is the world's only one-needled pine.