Sequoia sempervirens - Revision history

WikiWorks at 05:15, 1 June 2011

2011-06-01T05:15:40Z

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	\|image_caption=''[[Del Norte Titan]]'', the fourth largest coast redwood.		\|image_caption=''[[Del Norte Titan]]'', the fourth largest coast redwood.
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	'''''Sequoia sempervirens''''' ({{IPA\|sɛkwɔɪ.ə ˌsɛmpərˈvɪrənz\|lang}})<ref>''Sunset Western Garden Book,'' 1995:606–607<br>{{OED\|sempervirent}}</ref> is the sole living [[species]] of the [[genus]] '''''Sequoia''''' in the cypress family [[Cupressaceae]] (formerly treated in [[Taxodiaceae]]). Common names include '''coast redwood''', '''giant redwood''' and '''California redwood''' (it is one of three species of trees known as redwoods, but ''redwood'' per se normally refers to this species). It is an [[evergreen]], long-lived, [[Plant_sexuality#Individual_plant_sexuality\|monoecious]] [[tree]] living for up to 2,200 years, and this species includes the tallest trees on Earth, reaching up to 115.~~5 m~~ (379.~~1 ft~~) in height and ~~8 m~~ (~~26 ft~~) [[diameter at breast height]]. It is native to coastal [[California]] and the southwestern corner of [[Oregon]] within the [[United States]].		'''''Sequoia sempervirens''''' ({{IPA\|sɛkwɔɪ.ə ˌsɛmpərˈvɪrənz\|lang}})<ref>''Sunset Western Garden Book,'' 1995:606–607<br>{{OED\|sempervirent}}</ref> is the sole living [[species]] of the [[genus]] '''''Sequoia''''' in the cypress family [[Cupressaceae]] (formerly treated in [[Taxodiaceae]]). Common names include '''coast redwood''', '''giant redwood''' and '''California redwood''' (it is one of three species of trees known as redwoods, but ''redwood'' per se normally refers to this species). It is an [[evergreen]], long-lived, [[Plant_sexuality#Individual_plant_sexuality\|monoecious]] [[tree]] living for up to 2,200 years, and this species includes the tallest trees on Earth, reaching up to 115.5 m (379.1 ft) in height and 8 m (26 ft) [[diameter at breast height]]. It is native to coastal [[California]] and the southwestern corner of [[Oregon]] within the [[United States]].

	The name '''sequoia''' is sometimes used as a general term for the subfamily [[Sequoioideae]] in which this genus is classified, together with ''[[Sequoiadendron]]'' (Giant Sequoia) and ''[[Metasequoia]]'' (Dawn Redwood); as a common name, it usually refers to ''Sequoiadendron''.		The name '''sequoia''' is sometimes used as a general term for the subfamily [[Sequoioideae]] in which this genus is classified, together with ''[[Sequoiadendron]]'' (Giant Sequoia) and ''[[Metasequoia]]'' (Dawn Redwood); as a common name, it usually refers to ''Sequoiadendron''.

	[[File:Coast redwood bark.jpg\|thumb\|left\|Detail: bark]]		[[File:Coast redwood bark.jpg\|thumb\|left\|Detail: bark]]
	Coast redwoods have a [[conical]] crown, with horizontal to slightly drooping branches. The [[bark]] is very thick, up to ~~30 cm~~ (~~12 in~~), and quite soft, fibrous with a bright red-brown when freshly exposed (hence the name ''redwood''), weathering darker. The [[root]] system is composed of shallow, wide-spreading lateral roots. The [[leaf\|leaves]] are variable, being {{convert\|15\|–\|25\|mm\|in}} long and flat on young trees and shaded shoots in the lower crown of old trees, and scale-like, {{convert\|5\|–\|10\|mm\|in}} long on shoots in full sun in the upper crown of older trees; there is a full range of transition between the two extremes. They are dark green above, and with two blue-white [[stomata]]l bands below. Leaf arrangement is spiral, but the larger shade leaves are twisted at the base to lie in a flat plane for maximum light capture. The [[Conifer cone\|seed cones]] are ovoid, {{convert\|15\|–\|32\|mm\|in}} long, with 15–25 spirally arranged scales; [[pollination]] is in late winter with maturation about 8–9 months after. Each cone scale bears 3–7 [[seed]]s, each seed {{convert\|3\|–\|4\|mm\|in}} long and {{convert\|0.5\|mm\|in}} broad, with two wings {{convert\|1\|mm\|in}} wide. The seeds are released when the cone scales dry out and open at maturity. The pollen cones are oval, {{convert\|4\|–\|6\|mm\|in}} long. The species is [[plant sexuality\|monoecious]], with pollen and seed cones on the same plant.		Coast redwoods have a [[conical]] crown, with horizontal to slightly drooping branches. The [[bark]] is very thick, up to 30 cm (12 in), and quite soft, fibrous with a bright red-brown when freshly exposed (hence the name ''redwood''), weathering darker. The [[root]] system is composed of shallow, wide-spreading lateral roots. The [[leaf\|leaves]] are variable, being {{convert\|15\|–\|25\|mm\|in}} long and flat on young trees and shaded shoots in the lower crown of old trees, and scale-like, {{convert\|5\|–\|10\|mm\|in}} long on shoots in full sun in the upper crown of older trees; there is a full range of transition between the two extremes. They are dark green above, and with two blue-white [[stomata]]l bands below. Leaf arrangement is spiral, but the larger shade leaves are twisted at the base to lie in a flat plane for maximum light capture. The [[Conifer cone\|seed cones]] are ovoid, {{convert\|15\|–\|32\|mm\|in}} long, with 15–25 spirally arranged scales; [[pollination]] is in late winter with maturation about 8–9 months after. Each cone scale bears 3–7 [[seed]]s, each seed {{convert\|3\|–\|4\|mm\|in}} long and {{convert\|0.5\|mm\|in}} broad, with two wings {{convert\|1\|mm\|in}} wide. The seeds are released when the cone scales dry out and open at maturity. The pollen cones are oval, {{convert\|4\|–\|6\|mm\|in}} long. The species is [[plant sexuality\|monoecious]], with pollen and seed cones on the same plant.

	{{Inc\|		{{Inc\|

WikiWorks at 04:39, 28 May 2010

2010-05-28T04:39:09Z

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Murali.lalitha at 18:04, 27 May 2010

2010-05-27T18:04:07Z

← Older revision		Revision as of 18:04, 27 May 2010
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			{{SPlantbox
			\|familia=Cupressaceae
			\|genus=Sequoia
			\|species=sempervirens
			\|common_name=Californian redwood, Coast redwood
			\|name_ref=Flora - A Gardener's Encyclopedia
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2009-06-25T18:28:45Z

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{{Inc|

Sequoia sempervirens, Endl. California Redwood. Fig. 3611 (adapted from Amer. Forestry xx:323). Tree 100 to 340 ft. high, with trunk 10-25 ft. in diam. and often clear of limbs for 100 ft. in mature specimens, the narrow crown with horizontal or downward- sweeping branches: lvs. linear, mostly 1/2 – 1 in. long, 1-1 1/4 lines wide, spreading in flat sprays, or the upper lvs. and those on main st. of the branches often only 1-5 lines long and awl-shaped: cone oval, 3/4 – 1 1/8 in. long, 1/2 – 3/4 in. broad, maturing the first autumn; scales 14-26; seeds elliptic, narrowly margined, 2 lines long. Confined to northern and central Coast Ranges of Calif. on slopes exposed to sea influences. Gn. 76, p. 172. G.W. 13, p. 331; 14, p. 511.—Reproduces by seeds and by stump-sprouts, the latter numerous and remarkably persistent, often producing merchantable lumber. Var. glauca, Hort. Foliage with a decidedly bluish cast.
{{SCH}}
}}

==Cultivation==
{{edit-cult}}

===Propagation===
{{edit-prop}}

===Pests and diseases===
{{edit-pests}}

==Species==


==Gallery==
{{photo-sources}}

<gallery>
Image:Upload.png| photo 1
Image:Upload.png| photo 2
Image:Upload.png| photo 3
</gallery>

==References==
*[[Standard Cyclopedia of Horticulture]], by L. H. Bailey, MacMillan Co., 1963




==External links==
*{{wplink}}

{{stub}}
[[Category:Categorize]]

Sequoia sempervirens - Revision history

WikiWorks at 05:15, 1 June 2011

WikiWorks at 04:39, 28 May 2010

Murali.lalitha at 18:04, 27 May 2010

Murali.lalitha: New page: __NOTOC__{{Plantbox | name = ''LATINNAME'' | common_names = | growth_habi...

Murali.lalitha: New page: NOTOC{{Plantbox | name = ''LATINNAME'' | common_names = | growth_habi...