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A dendrochronology, based on these trees and other bristlecone pine samples, extends back to about 9000 BC, albeit with a single gap of about 500 years. [20] [3] An older bristlecone pine was reportedly discovered by Tom Harlan in 2009, based on a sample core collected in 1957. According to Harlan, the tree was 5,062 years old and still living ...
Download as PDF; Printable version; In other projects ... is a genus of approximately 111 extant tree and shrub species. ... (list of pine hybrids) References
A pine is any conifer tree or shrub in the genus Pinus (/ ˈ p aɪ n ə s /) [2] of the family Pinaceae. Pinus is the sole genus in the subfamily Pinoideae.. World Flora Online accepts 134 species-rank taxa (119 species and 15 nothospecies) of pines as current, with additional synonyms, [3] and Plants of the World Online 126 species-rank taxa (113 species and 13 nothospecies), [4] making it ...
A red pine (Pinus resinosa) with exposed roots: Young spring growth ("candles") on a loblolly pine: Monterey pine bark: Monterey pine cone on forest floor: Whitebark pine in the Sierra Nevada: Hartweg's pine forest in Mexico: The bark of a pine in Tecpan, Guatemala: A pine, probably P. pseudostrobus, in Guatemala
The root system is extensive. A tiny seedling may quickly send a taproot down 60 centimeters (24 in) seeking moisture and nutrients. A mature tree may have roots extending 75 meters (246 ft). Exposed trees battered by coastal winds are often twisted into beautiful sculptural shapes resembling large bonsai, and rarely exceed 12 m (39 ft) tall.
Araucaria araucana, commonly called the monkey puzzle tree, monkey tail tree, pewen, pehuen pine or piñonero, is an evergreen tree belonging to the family Araucariaceae and growing to a trunk diameter of 1–1.5 m (3.3–4.9 ft) and a height of 30–40 m (98–131 ft).
Pinus elliottii, commonly known as slash pine, [2] [3] is a conifer tree native to the Southeastern United States. Slash pine is named after the "slashes" – swampy ground overgrown with trees and bushes – that constitute its habitat. Other common names include swamp pine, yellow slash pine, and southern Florida pine. [3]
The leaves are spirally arranged, scale-like or awl-like, 6–12 centimetres (2–5 in) long and 1.5–2 cm (5 ⁄ 8 – 3 ⁄ 4 in) broad at the base, with a sharp tip; leaves on young trees are shorter (under 9 cm or 4 in) and narrower (under 1.5 cm or 5 ⁄ 8 in).