Webconifer, any member of the division Pinophyta, class Pinopsida, order Pinales, made up of living and fossil gymnospermous plants that usually have needle-shaped evergreen leaves and seeds attached to the scales … WebVerified questions. physics. A six-element linear dipole array has element spacing d=\lambda / 2. d = λ/2. (a) Select the appropriate current phasing, \xi, ξ, to achieve maximum radiation along \phi=\pm 60^ {\circ}. ϕ = ±60∘. (b) With the phase set as in part (a), evaluate the intensities (relative to the maximum) in the broadside and ...

Gymnosperms Biology II

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Coniferophyta Idaho Fish and Game

Conifers are a group of cone-bearing seed plants, a subset of gymnosperms. Scientifically, they make up the division Pinophyta , also known as Coniferophyta (/ˌkɒnɪfəˈrɒfɪtə, -oʊfaɪtə/) or Coniferae. The division contains a single extant class, Pinopsida. All extant conifers are perennial woody plants with … See more The earliest conifers appear in the fossil record during the Late Carboniferous (Pennsylvanian), over 300 million years ago. Conifers have been suggested to be most closely related to the Cordaitales, a group of … See more A number of conifers originally introduced for forestry have become invasive species in parts of New Zealand, including radiata pine ( See more At least 20 species of roundheaded borers of the family Cerambycidae feed on the wood of spruce, fir, and hemlock (Rose and Lindquist 1985). Borers rarely bore tunnels in living trees, although when populations are high, adult beetles feed on tender twig bark, and may … See more Conifer is a Latin word, a compound of conus (cone) and ferre (to bear), meaning "the one that bears (a) cone(s)". The division name Pinophyta conforms to the rules of the International Code of Nomenclature for algae, fungi, and plants (ICN), which state … See more All living conifers are woody plants, and most are trees, the majority having monopodial growth form (a single, straight trunk with side branches) with strong apical dominance. Many conifers have distinctly scented resin, secreted to protect the tree against See more Conifers – notably Abies (fir), Cedrus, Chamaecyparis lawsoniana (Lawson's cypress), Cupressus (cypress), juniper, Picea See more Conifers can absorb nitrogen in either the ammonium (NH4 ) or nitrate (NO3 ) form, but the forms are not physiologically equivalent. Form of nitrogen affected both the total amount and relative composition of the soluble nitrogen in white spruce tissues (Durzan … See more WebConiferophyta 1. General Characteristics –The Conifers, which include pines, spruces, hemlocks, and firs, are woody trees or shrubs. Most conifers have leaves (megaphylls) … WebThe common name of Ziziphus nummularia is wild jujube. Ziziphus nummularia, commonly known as wild jujube or jhahrberi in Hindi, is a species of Ziziphus native to the Thar Desert of western India and … triadic clothing