Véase coníferas para una introducción a estos grupos Las pináceas (familia Pinaceae y Orden Pinales), son coníferas que poseen canales de resina en la madera y las hojas, sus hojas son lineales o como agujas en general, monoicos, los conos con complejos dispuestos en espiral y aplanados y como brácteas, las brácteas libres de la escama, 2 óvulos invertidos, y semillas con un ala larga terminal. Es un grupo de plantas que se consideran los pulmones de las ciudades por la gran cantidad de oxígeno que producen, tienen una gran importancia económica porque se usan para construir casas, papel, fuente de resinas, barnices, encolantes, artesanía, tienen estróbilos, hojas en forma de aguja

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The Pinaceae (pine family) are trees or shrubs, including many of the well-known conifers of commercial importance such as cedars, firs, hemlocks, larches, pines and spruces. The family is included in the order Pinales, formerly known as Coniferales. Pinaceae are supported as monophyletic by their protein-type sieve cell plastids, pattern of proembryogeny, and lack of bioflavonoids. They are the largest extant conifer family in species diversity, with between 220 and 250 species (depending on taxonomic opinion) in 11 genera, and the second-largest (after Cupressaceae) in geographical range, found in most of the Northern Hemisphere, with the majority of the species in temperate climates, but ranging from subarctic to tropical. The family often forms the dominant component of boreal, coastal, and montane forests. One species, Pinus merkusii, grows just south of the equator in Southeast Asia. Major centres of diversity are found in the mountains of southwest China, Mexico, central Japan, and California.

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