coniferous

[koh-nif-er-uhs, kuh-]
adjective Botany.
belonging or pertaining to the conifers. Compare conifer ( def 1 ).

Origin:
1655–65; see conifer, -ous

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World English Dictionary
coniferous (kəˈnɪfərəs, kɒ-)
 
adj
See conifer of, relating to, or belonging to the plant phylum Coniferophyta

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American Heritage
Science Dictionary
conifer  [%PREMIUM_LINK%]     (kŏn'ə-fər)  Pronunciation Key 
Any of various gymnosperms that bear their reproductive structures in cones and belong to the phylum Coniferophyta. Conifers evolved around 300 million years ago and, as a group, show many adaptations to drier and cooler environments. They are usually evergreen and often have drought-resistant leaves that are needle-shaped or scalelike. They depend on the wind to blow pollen produced by male cones to female cones, where fertilization takes place and seeds develop. Conifers are widely distributed, but conifer species dominate the northern forest biome known as the taiga. There are some 550 species of conifers, including the pines, firs, spruces, hemlocks, cypresses, junipers, yews, and redwoods. See more at pollination, seed-bearing plant.

coniferous adjective
The American Heritage® Science Dictionary
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Example sentences
Moist soils, especially along canyons and mountain slopes in coniferous forests.
The region is the meeting place of the deciduous trees and the coniferous.
Rank vegetation, usually among dense hardwood or humid coniferous forests.
The sky opened and closed and opened as the trees slowly became more coniferous.
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