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Mature Pinus pinea (stone pine); note umbrella-shaped canopy: Pollen cones of Pinus pinea (stone pine): A red pine (Pinus resinosa) with exposed rootsYoung spring growth ("candles") on a loblolly pine
The knobcone pine, Pinus attenuata (also called Pinus tuberculata), [2] is a tree that grows in mild climates on poor soils. It ranges from the mountains of southern Oregon to Baja California with the greatest concentration in northern California and the Oregon-California border.
Pinus lambertiana (commonly known as the sugar pine or sugar cone pine) is the tallest and most massive pine tree and has the longest cones of any conifer.It is native to coastal and inland mountain areas along the Pacific coast of North America, as far north as Oregon and as far south as Baja California in Mexico.
Genetic differentiation in the pinyon pine has been observed associated to insect herbivory and environmental stress. [5] [6] There are eight species of true pinyon (Pinus subsection Cembroides): [7] Pinus cembroides – Mexican pinyon; Pinus orizabensis – Orizaba pinyon; Pinus johannis – Johann's pinyon (includes P. discolor – border pinyon)
Other products of economic value include resin, bark for tannin extraction, and empty pine cone shells for fuel. Pinus pinea is also currently widely cultivated around the Mediterranean for environmental protection such as consolidation of coastal dunes , soil conservation and protection of coastal agricultural crops.
The Methuselah Grove in the Ancient Bristlecone Pine Forest is the location of the "Methuselah", a Great Basin bristlecone pine that is 4,856 years old. [7] It is considered to be the world's oldest known and confirmed living non-clonal organism.
Pinus longaeva (commonly referred to as the Great Basin bristlecone pine, intermountain bristlecone pine, or western bristlecone pine) [4] is a long-living species of bristlecone pine tree found in the higher mountains of California, Nevada, and Utah. [5]
Coulter pine (Pinus coulteri), or big-cone pine, is a conifer in the genus Pinus of the family Pinaceae.Coulter pine is an evergreen conifer that lives up to 100 years. [2] It is a native of the coastal mountains of Southern California in the United States and northern Baja California in Mexico, occurring in mediterranean climates, where winter rains are infrequent and summers are dry with ...