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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)
A conifer cone, or in formal botanical usage a strobilus, pl.: strobili, is a seed-bearing organ on gymnosperm plants, especially in conifers and cycads. They are usually woody and variously conic, cylindrical, ovoid, to globular, and have scales and bracts arranged around a central axis, but can be fleshy and berry -like.
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]
Picea pungens (blue spruce) The brittle wood has little economic value, but the tree's symmetry and unusual color make it a popular ornamental tree with at least 38 cultivars. Uses: landscaping, winter holiday decorations [57] [58] MD ME NY PA
The Pinaceae (/ p ɪ ˈ n eɪ s iː ˌ iː,-s i ˌ aɪ /), or pine family, are conifer trees or shrubs, including many of the well-known conifers of commercial importance such as cedars, firs, hemlocks, piñons, larches, pines and spruces. The family is included in the order Pinales, formerly known as Coniferales.
The conifers, division Pinophyta, are one of 13 or 14 division level taxa within the Kingdom Plantae. They are cone -bearing seed plants with vascular tissue; all extant conifers are woody plants , the great majority being trees with just a few being shrubs .
The tree produces spiky green fruits about the size of a golf ball, which turn brown and drop off the tree over an extended period beginning in fall and continuing over the winter.
Pinidae (Pinophyta, [18] [28] conifers 70, 600) The term Pinophyta has also been used to include all conifers, extinct and extant, with Pinales representing all the extant conifers. [29] Christenhusz and colleagues extended the system of Chase and Reveal [19] to provide a revised classification of gymnosperms in 2011, based on the above four ...