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Pinus strobiformis, also known as Chihuahua white pine, is a medium-sized white pine tree endemic to western Mexico in the Sierra Madre Occidental mountain range. It is typically a high-elevation pine growing mixed with other conifers in montane forest .
Pinus strobiformis: southwestern white pine Pinaceae (pine family) Pinus strobus: ... Acacia pendula: weeping acacia Fabaceae (legume family (peas)) Acacia pycnantha:
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
Pinus, the pines, is a genus of approximately 111 extant tree and shrub species. The genus is currently split into two subgenera: subgenus Pinus (hard pines), and subgenus Strobus (soft pines). Each of the subgenera have been further divided into sections based on chloroplast DNA sequencing [1] and whole plastid genomic analysis. [2]
Pinus monticola × P. strobiformis – Western white pine × southwestern white pine Pinus monticola × P. flexilis – Western white pine × limber pine Pinus monticola × P. strobus – Western white pine × eastern white pine Japanese stone pine cone (Pinus pumila , left) and Japanese stone pine × Siberian pine cone (Pinus pumila × P ...
Members of the modern genera Pinus (pines), Picea (spruce) and Cedrus (cedar) first appear during the Early Cretaceous. [19] [20] [21] The extinct Cretaceous genera Pseudoaraucaria and Obirastrobus appear to be members of Abietoideae, while Pityostrobus appears to be non-monophyletic, containing many disparately related members of Pinaceae. [18]
Pinus strobus, commonly called the eastern white pine, northern white pine, white pine, Weymouth pine (British), and soft pine [2] is a large pine native to eastern North America.
Western white pine is a large tree, regularly growing to 30–50 metres (98–164 ft) tall. It is a member of the white pine group, Pinus subgenus Strobus, and like all members of that group, the leaves ('needles') are in fascicles (bundles) of five, [5] with a deciduous sheath.