Spruce Cone Closeup
by Greni Graph
Title
Spruce Cone Closeup
Artist
Greni Graph
Medium
Photograph - Photography
Description
A closeup of spruce cones in winter. A spruce is a tree of the genus Picea, a genus of about 35 species of coniferous evergreen trees in the Family Pinaceae, found in the northern temperate and boreal (taiga) regions of the earth. Spruces are large trees, from 20�60 metres (66�200 ft) tall when mature, and can be distinguished by their whorled branches and conical form. The needles, or leaves, of spruce trees are attached singly to the branches in a spiral fashion, each needle on a small peg-like structure called a pulvinus. The needles are shed when 4�10 years old, leaving the branches rough with the retained pulvinus (an easy means of distinguishing them from other similar genera, where the branches are fairly smooth).
Spruces are used as food plants by the larvae of some Lepidoptera species; see list of Lepidoptera that feed on spruces. They are also used by the larvae of gall adelgids (Adelges species). dakota, black hills, spruce, cone, cones, south dakota, conifer, winter, needles, closeup #201101252647
Uploaded
October 12th, 2011
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