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Unusually for a pine, the cones normally point forward along the branch, sometimes curling around it. That is an easy way to tell it apart from the similar lodgepole pine in more western areas of North America. The cones on many mature trees are serotinous. They open when exposed to intense heat, greater than or equal to 50 °C (122 °F). [16]
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 ...
Apart from two species in the yew family, all are in either the pine family (including firs, larches, spruces, pines, Douglas firs and hemlocks) or the cypress family (including junipers, redwoods, giant sequoias, bald cypresses and four genera of cedars). [2] [6] [7] [b] Softwood from North American conifers has a variety of commercial uses.
Picea mariana, the black spruce, is a North American species of spruce tree in the pine family. It is widespread across Canada, found in all 10 provinces and all 3 territories . It is the official tree of Newfoundland and Labrador and is that province's most abundant tree.
Podocarpus (/ ˌ p oʊ d ə ˈ k ɑːr p ə s / [2]) is a genus of conifers, the most numerous and widely distributed of the podocarp family, the Podocarpaceae. Podocarpus species are evergreen shrubs or trees, usually from 1 to 25 m (3 to 82 ft) tall, known to reach 40 m (130 ft) at times.
Conifers at the Tree of Life Web Project; 300 million-year-old conifer in Illinois – 4/2007; World list of conifer species from Conifer Database by A. Farjon in the Catalogue of Life (Archived 2017-06-19 at the Wayback Machine) Tree browser for conifer families and genera via the Catalogue of Life (Archived 2019-12-20 at the Wayback Machine)
The two-volume, illustrated encyclopedia is a complete reference book covering all recognised conifer cultivars and species, both hardy and tropical. The 1,500-page work features names, synonyms, and brief descriptions, as well as information about height and spread after 10 years, where known, for over 8,000 cultivars and all 615 conifer ...
Christenhusz and colleagues (2011) included only one family in Pinales, Pinaceae, [2] a practice subsequently followed by the Angiosperm Phylogeny Website [33] and the Gymnosperm Database. [35] In this restricted model Pinales (Pinaceae) comprisea 11 genera and about 225 species, all of the other conifers originally included in this order ...