|
Picea Omoriciformis
A spruce is a tree of the genus ''Picea'' ( ), a genus of about 40 species of conifer Conifers () are a group of conifer cone, cone-bearing Spermatophyte, seed plants, a subset of gymnosperms. Scientifically, they make up the phylum, division Pinophyta (), also known as Coniferophyta () or Coniferae. The division contains a sin ...ous evergreen trees in the family Pinaceae, found in the northern temperate and boreal ecosystem, boreal (taiga) regions of the Northern hemisphere. ''Picea'' is the sole genus in the subfamily Piceoideae. Spruces are large trees, from about 20 to 60 m (about 60–200 ft) tall when mature, and have Whorl (botany), whorled branches and cone (geometry), conical form. Spruces can be distinguished from other Genus, genera of the family Pinaceae by their pine needle, needles (leaves), which are four-sided and attached singly to small persistent peg-like structures (pulvini or sterigmata) on the branches, and by their seed cone, cones (withou ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Picea Sitchensis
''Picea sitchensis'', the Sitka spruce, is a large, coniferous, evergreen tree growing to just over tall, with a trunk diameter at breast height that can exceed 5 m (16 ft). It is by far the largest species of spruce and the fifth-largest conifer in the world (behind Sequoiadendron giganteum, giant sequoia, Sequoia sempervirens, coast redwood, Agathis australis, kauri, and western red cedar), and the third-tallest conifer species (after coast redwood and Cupressus austrotibetica, South Tibetan cypress). The Sitka spruce is one of only five species List of superlative trees, documented to exceed in height. Its name is derived from the community of Sitka, Alaska, Sitka in southeast Alaska, where it is prevalent. Its range hugs the western coast of Canada and the US and continues south into northern California. Description The Bark (botany), bark is thin and scaly, flaking off in small, circular plates across. The inner bark is reddish-brown. The crown is broad conic ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
