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Topic: Trunk (botany)


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  Trunk - Wikipedia, the free encyclopedia
A trunk (botany) refers to the main structural member of a tree that is supported by and directly attached to the roots and which in turn supports the branches.
In anatomy trunk is another word for torso, which in the human body is the body without the head, arms and legs.
In American English, an automobile trunk is a compartment used for storage space, usually placed at the rear of a car.
en.wikipedia.org /wiki/Trunk   (190 words)

  
 Selecting and Planting Trees and Shrubs   (Site not responding. Last check: 2007-11-06)
Their trunks are strong enough to hold them upright and they are relatively small so wind will not blow them over.
This is accomplished by holding the top of the trunk with your hand so the tree stands upright, and sliding down the trunk to a point where the top of the tree bends over.
Trunk movement is necessary for the development of a strong and well proportioned trunk.
www.floridaplants.com /Reprints/selecting.htm   (6618 words)

  
 Taxodium Family
With a diameter greater than 40 feet (12 m), the trunk of this spectacular tree is literally the size of a house.
Fire-scarred trunks on old patriarch trees are evidence that they survived many fires during the past 20 or 30 centuries.
The trunk is six feet (1.8 m) in diameter and 60 feet 18.3 m) in length.
waynesword.palomar.edu /ecoph40.htm   (3025 words)

  
 Online Etymology Dictionary
tronc "alms box in a church" (12c.), also "trunk of a tree, trunk of the human body," from L. truncus, originally "mutilated, cut off." The meaning "box, case" is likely to be from the notion of the body as the "case" of the organs.
Modern senses are figurative, either representing the balk as a hindrance or obstruction (e.g., of horses, "to stop short before an obstacle," recorded from 1481), or from the verb sense of "to miss or omit intentionally" (attested by 1484) as a lazy or incompetent plowman would in making balks.
Steamboat is from 1787; steam-engine is from 1751; steamer is 1814 in the cookery sense, 1825 as "a vessel propelled by steam," hence steamer trunk (1885), one that carries the essentials for a voyage.
www.etymonline.com /index.php?search=trunk&searchmode=phrase   (1877 words)

  
 botany/malus   (Site not responding. Last check: 2007-11-06)
The trunks are short and the crown of branches is fairly round.
This consists of clearing branches from a certain length of the trunk and maintaining a fairly open head to allow light and air to circulate through.
A 3-foot space around the trunk should be kept clear of mulch, sod, or anything that mice will hide in.
www.botanyworld.com /malus.html   (1718 words)

  
 Botany online: Supporting Tissues - Conducting Tissues
Animals have endo- or exoskeletons that correspond in function to the woody stems or trunks of plants.
Trunks are stable enough to resist the wind's pulling.
The wind makes the upper plant organs and the trunk act like a lever, a large part of the force is hence exerted onto the roots, that anchor the plant in the soil.
www.biologie.uni-hamburg.de /b-online/e06/06.htm   (1589 words)

  
 botany/platanus
It grows from 70 to 100 feet high with a strong trunk measuring 12 to 15 feet in circumference.
On young trees, however, it is necessary to shorten the side branches a couple times during the summer as well as remove side branches along the lower part of the trunk.
The object is to produce a tree with a single trunk clear of branches.
www.botany.com /platanus.html   (527 words)

  
 botany/vitis
Some vines are trained to one wire, with a branch, called an arm or cordon, extending out from the trunk in each direction along the wire.
When the trunk reaches its ultimate height, in the winter, cut through its top bud to prevent further upward growth.
Head training: Head training is the simplest training method that creates a compact single trunk, which can be pruned to produce spurs or canes depending on the type of grape you're growing and the amount of space available.
www.botany.com /vitis.html   (4261 words)

  
 Tree - Wikipedia, the free encyclopedia
The basic parts of a tree are the roots, trunk (s), branches, twigs and leaves.
A plant form that is similar to a tree, but generally having smaller, multiple trunks and/or branches that arise near the ground, is called a shrub.
Modern trends are to cite the tree's diameter rather than the circumference; this is obtained by dividing the measured circumference by pi ; it assumes the trunk is circular in cross-section (an oval or irregular cross-section would result in a mean diameter slightly greater than the assumed circle).
en.wikipedia.org /wiki/Tree   (2073 words)

  
 Belize Botany, Botanical Information for Ambergris Caye, Belize
The trunks are used for construction of buildings, docks and as rollers to launch and beach boats.
The lenticels on the white mangrove are on the trunk.
Instead of having a woody trunk, its trunk is made up of the remnants of the closely packed leave sheathes formed after the leaves have died and fallen off.
www.ambergriscaye.com /fieldguide/botany.html   (12525 words)

  
 Dispelling Misperceptions About Trees   (Site not responding. Last check: 2007-11-06)
Frequently, roots extend from the trunk as far as the tree is tall.
Trunks with slight doglegs, crooks or bends are not weaker than those which are straight.
Extensive research has shown that this practice injures the trunk and is extremely detrimental to tree health and shortens the life of trees.
www.floridaplants.com /Reprints/dispelling.htm   (2416 words)

  
 Botany Lesson Plans
The tree hit the trunk hard enough that the protective bark was removed near its base, making a wound 6 inches wide and 12 inches long.
By the time our tree was 260 years old, it had a weak spot in the trunk where the fungus had eaten out the middle of the tree.
The large trunk of the old tree, now rotten and decaying, laid on the ground.
www.sd5.k12.mt.us /glaciereft/botlif38.htm   (623 words)

  
 Trunk (botany) - Wikipedia, the free encyclopedia
The trunk is also often called the bole.
The trunk is covered by the bark, which is an important diagnostic feature in tree identification, and which often differs markedly from the bottom of the trunk to the top, depending on the species.
The trunk, or bole, is the most important part of the tree for timber production.
en.wikipedia.org /wiki/Trunk_(botany)   (124 words)

  
 American Journal of Botany, 22, 2, February, 1935   (Site not responding. Last check: 2007-11-06)
The main trunk is composed of a thin, continuous layer of cork, a rather thick cortex, phloem, a wide, mostly parenchymatous xylem, and a relatively small amount of pith.
The cork sloughs off to a considerable extent; the stone cells of the outer cortex do not form a definite sheath; the pericyclic region is clearly differentiated by the presence of a large number of fibers; the xylem is not divided into a woody and a parenchymatous portion, but is woody throughout.
The trunk of Idria is considered to be homologous to the trunk of Fouquieria, while the forkings of the trunk of Idria may be homologous to the branches of Fouquieria.
www.botany.org /ajb/00029122_di001329.html   (1252 words)

  
 < - - - FLIGHT OF DISCOVERY - - - >   (Site not responding. Last check: 2007-11-06)
The Trunk of Discovery (TOD) is an assemblage of educational materials for classroom exercises and field activities.
The purpose of the Trunk of Discovery is to excite and engage students in scientific exploration by framing their activities within the context of the 1804-1806 Lewis and Clark Expedition, but with the employment of modern scientific inquiry methods and materials.
Data and specimens acquired as part of Trunk of Discovery activities will be collected at stopovers by the Flight of Discovery during their 2004 expedition.
www.flightofdiscovery.com /tod   (553 words)

  
 Flowering Plant Families, UH Botany
The Kenyans say the devil planted this tree upside down because of the monstrous appearance with its swollen, bottle-shaped trunk and short dumpy branches sticking up in the air like thick roots.
A trunk circumference of 62 feet has been reported in this species.
Large tree from tropical Asia with prickly trunk and palmate leaves bearing 3-7 leaflets.
www.botany.hawaii.edu /Faculty/Carr/bombac.htm   (244 words)

  
 trunk   (Site not responding. Last check: 2007-11-06)
Noun trunk ( trunks) the (usually single) upright part of a tree,...
A trunk (botany) refers to the main structural member of a tree that is supported by and directly attached to the root s and which in turn supports the branch es.
In anatomy trunk is another word for torso, which in the human body is the body without the head, arm s and leg s.
www.33beat.com /trunk.html   (237 words)

  
 Harris et al.—Phenotypic variation of dead leaf retention by <i>Cordyline</i>
Abstract The retention of dead leaves covering the trunks of 8-year-old trees of Cordyline australis (cabbage tree, ti kouka) was significantly different between 28 wild populations from a 12° latitudinal range in New Zealand when grown under uniform garden conditions at Mt Albert, Auckland (36°53′S, 174°43′E) and Lincoln, Canterbury (43°38′S, 172°29′E).
Temperatures recorded at Lincoln at heights of 1.40 m and 0.05 m showed that chilling on the trunk surface was reduced by a cover of dead leaves, particularly at 0.05 m during radiation frosts.
This effect was separated from the shelter effect of the green leaf tufts of trees and shelter between trees in the experimental plantation.
www.rsnz.org /publish/nzjb/2004/047.php   (253 words)

  
 Botany - Basic Rose Terminology   (Site not responding. Last check: 2007-11-06)
Calyx - The first of a series of flower parts growing from the peduncle, composed of sepals, usually green and leaf-like.
Cane - The stem of a rose, either the main stem (which then becomes the trunk) or lateral stems or branches.
Trunk - The main stem of a rose, the cane that later produces all the side branches or lateral canes.
www.ars.org /About_Roses/bot-rose_terminology.htm   (905 words)

  
 THE WORLD OF LIFE with Douglas Drenkow - Acorn Worms etc.   (Site not responding. Last check: 2007-11-06)
A water current is drawn-in by cilia through the mouth (at the base of the proboscis, at the front of the collar) and through the pharynx and out through the externally opening pores of the gill slits (In addition, there is a "buccal pouch", from the mouth, up inside the proboscis).
Food particles that stick to the mucous secreted on the proboscis are also carried by the cilia through the mouth and into the pharynx, from which the food passes into the rest of the gut.
Hemichordates living in "U-shaped" burrows on the beach swallow both sand and food (similar to the feeding habits of earthworms) and pile-up coils of their sandy "fecal castings" at the exit of their burrows.
theworldoflife.home.att.net /systematics/acornwormsetc.htm   (756 words)

  
 All About Durian Botany
Seedlings usually have a tall branchless trunk with an irregular, dense or open crown of rough branches.
The bark on the trunk of a durian tree is dark brown and peels off irregularly with many deep splits lengthways; the wood is softwood.
Durian tree branches may be straight or curved, depending on the cultivar and on the amount of sunlight exposure.
www.durianpalace.com /durianbotany.htm   (2301 words)

  
 trees tutorial Alain Desrochers
This Tree model has been built in two part,one model for the trunk with poses or action for positioning and another for tree foliage.
The use of a lower number of circonference cp's like four or six (access setting in option/lathe cross section) can reduce the weight of the file so you will be able to put more trees in your composition.
As you model trunk notice that in real life branches reach for the sun even if it started off growing downward.
www.hash.com /users/alweb/Serioustut/Treetut2.htm   (401 words)

  
 ASNH Sanctuaries - Fred Steele Memorial Botany Trail
A New Hampshire native, Fred was born and raised in Tamworth and attended Phillips Exeter Academy and Harvard.
Generally an understory tree in the forest, it rarely exceeds 40' in height and a trunk diameter of 10" (averages 5-15' in height and 1-2" diameter).
Growing rapidly in its early stages, it may reach a height of 125' with a trunk diameter of 5' (averages 20-40' in height and 1-2' in diameter).
www.nhaudubon.org /sanctuaries/steele.htm   (2264 words)

  
 Plant Glossary - EnchantedLearning.com
Agrology is a branch of soil science that studies the soil used in producing crops.
Agrostology is a branch of botany that studies grasses.
Annual rings are concentric circles that appear on tree trunk cross-sections that mark the end of a growing season.
www.enchantedlearning.com /subjects/plants/glossary   (1418 words)

  
 Plane trees; a general account   (Site not responding. Last check: 2007-11-06)
This is useful in shedding pollutants that may interfere with air reaching the trunk, and is one of the reasons why the tree has been so succesful in London during the periods of serious air pollution.
Typically these trunks are covered in what looks like masses of old dark fissured bark, and it may be that much of the girth is due to the bark rather than the wood.
It may be that the behaviour is connected to the formation of burrs on the trunk, a feature found particularly on the oriental plane.
www.chengappa.demon.co.uk /planes/text/mainplanes.html   (1243 words)

  
 Tree articles and news from Start Learning Now   (Site not responding. Last check: 2007-11-06)
The basic parts of a tree are the root s, trunk (botany)trunk (s), branch es, twig s and leafleaves.
It is significant that in each case, the top position is always held by a Pinophytaconifer, though a different species in each case; in most measures, the second to fourth places are also held by conifers.
As a general standard, tree girth is taken at 'breast height'; this is defined differently in different situations, with most forestryforesters measuring girth at 1.3 m above ground, while ornamental plantornamental tree measurers usually measure at 1.5 m above ground; in most cases this makes little difference to the measured girth.
www.startlearningnow.com /tree.htm   (1718 words)

  
 Botany and Ecology of the 'Nightcap Oak', Eidothea hardeniana
Botany and Ecology of the 'Nightcap Oak', Eidothea hardeniana
The prickly juvenile leaves of the Nightcap species were first found in the 1950s and sent to the Queensland Herbarium in Brisbane, where they were incorrectly identified as belonging to the Corynocarpaceae, a plant family only distantly related to the Proteaceae.
Andromonoecious trees 15-40 m high, with one main trunk to 70 cm diameter at breast height, but often with up to 40 smaller subsidiary shoots branching from the base.
farrer.riv.csu.edu.au /ASGAP/APOL32/dec03-4.html   (1907 words)

  
 Plant Science Bulletin - Volume 47 Number 3 - Autumn 2001
After a trunk is returned from a loan, 2 to 4 hours are needed to check its contents, fix or replace items, and put all in order for the next loan; this requires time and resources from the loaning agency or nature center.
As Botany 2001 is the second annual meeting in many years that the BSA has completely organized, many planning aspects were new or only tried for the second time.
We hope to hear from BSA members who may have experienced "assaults" on botany at their home institution or from members who have had success in convincing colleagues and administrators of the importance of botany to the life sciences and to their college or university.
www.botany.org /bsa/psb/2001/psb47-3.html   (14720 words)

  
 Trunk   (Site not responding. Last check: 2007-11-06)
In American English, the trunk of a car is a compartment used for storage space, usually placed at the car's rear.
In a communications network, a single transmission channel between two points that are switching centers or nodes, or both.
Note: Trunks may be used to interconnect switches, such as major, minor, public and private switches, to form networks.
www.free-template.org /tr/trunk.html   (387 words)

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