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Pines in this subgenus have one to five needles per fascicle and one fibrovascular bundle per needle, and the fascicle sheaths are deciduous, except in P. nelsonii, where they are persistent. Cone scales are thinner and more flexible than those of subgenus Pinus , except in some species like P. maximartinezii , and cones usually open soon after ...
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 ...
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.
Table Mountain pine, [2] Pinus pungens, also called hickory pine, prickly pine, [2] or mountain pine, [3] is a small pine native to the Appalachian Mountains in the United States. Description [ edit ]
Longleaf pine seeds are large and nutritious, forming a significant food source for birds (notably the brown-headed nuthatch) and other wildlife. Nine salamander species and 26 frog species are characteristic of pine savannas, along with 56 species of reptiles, 13 of which could be considered specialists on this habitat. [16]
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 ...
The bristlecone pine's root system is mostly composed of highly branched, shallow roots, while a few large, branching roots provide structural support. The bristlecone pine is extremely drought tolerant due to its branched shallow root system, its waxy needles, and thick needle cuticles that aid in water retention. [8] Gnarled bristlecone pine wood
The shortleaf pine is in the Pinus subgenus. The epithet of echinata means "spiny" and refers to "hedgehog", from echinus. It naturally hybridizes with Pinus taeda; the hybrid typically has a closer resemblance to P. echinata. [7] It was named by Phillip Miller, and the date of publication was April 16, 1768. [8]