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The main differences between hardwoods and softwoods is that the softwoods completely lack vessels (pores). [1] The main softwood species (pines, spruces, larches, false tsugas) also have resin canals (or ducts) in their structure.
Dendrology (Ancient Greek: δένδρον, dendron, "tree"; and Ancient Greek: -λογία, -logia, science of or study of) or xylology (Ancient Greek: ξύλον, ksulon, "wood") is the science and study of woody plants (trees, shrubs, and lianas), specifically, their taxonomic classifications. [1]
Across Scandinavia and western Russia, the Scots pine is a common component of the taiga, while taiga of the Russian Far East and Mongolia is dominated by larch. Rich in spruce and Scots pine (in the western Siberian plain), the taiga is dominated by larch in Eastern Siberia, before returning to its original floristic richness on the Pacific ...
Evergreen trees also lose leaves, but each tree loses its leaves gradually and not all at once. Most tropical rainforest plants are considered to be evergreens, replacing their leaves gradually throughout the year as the leaves age and fall, whereas species growing in seasonally arid climates may be either evergreen or deciduous.
The hybrid Dunkeld larch is widely grown as a timber crop in Northern Europe, valued for its fast growth and disease resistance. Larch on oak was the traditional construction method for Scottish fishing boats in the 19th century. [citation needed] Larch has also been used in herbal medicine; see Bach flower remedies and Arabinogalactan for details.
Members of the family Pinaceae are trees (rarely shrubs) growing from 2 to 100 metres (7 to 300 feet) tall, mostly evergreen (except the deciduous Larix and Pseudolarix), resinous, monoecious, with subopposite or whorled branches, and spirally arranged, linear (needle-like) leaves. [3] The embryos of Pinaceae have three to 24 cotyledons.
Enjoy a classic game of Hearts and watch out for the Queen of Spades!
The order Pinales in the division Pinophyta, class Pinopsida, comprises all the extant conifers.The distinguishing characteristic is the reproductive structure known as a cone produced by all Pinales.