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Topic: Lignotuber


In the News (Wed 30 Dec 09)

  
  Lignotuber - Wikipedia, the free encyclopedia
A lignotuber is a starchy swelling on underground stems or roots.
Jarrah and mallee plants use them as a life support system in case of fire or animal damage.
They are able to sprout back from buds on the surface of the lignotuber.
en.wikipedia.org /wiki/Lignotuber   (113 words)

  
 Mycorrhiza Literature Exchange
In lignotuberous plants of Mediterranean-type areas, successful resprouting after disturbances such as fire depends on the size of the lignotuber, but little is known about the role of soil re sources in determining the relative size of this organ.
Lignotuber dimensions relative to foliar biomass were positively correlated with soil pH and negatively with plant water potentials in midsummer.
In summary, lignotubers were not smaller at more productive sites, in fact they were relatively larger at sites where soils were less acidic, but where plant water conditions were less favourable.
mycorrhiza.ag.utk.edu /latest/latest01/01_10cruz1.htm   (294 words)

  
 CSIRO PUBLISHING - Australian Journal of Botany
In lignotuberous species of the Lehmannianae, lignotuber formation is preceded by the appearance of a crescent-shaped array of accessory buds, adaxial to the axillary bud.
Lignotubers may be formed at successive nodes but those with only one upper accessory bud (which may be present even in non- lignotuberous species) do not form lignotubers.
The subsequent development of the lignotuber is described, as is the development of the seedling.
www.publish.csiro.au /nid/65/paper/BT9830629.htm   (297 words)

  
 Comparative anatomical analysis of the cotyledonary region in three Mediterranean Basin Quercus (Fagaceae) -- Pascual ...
the lignotuber is a transitory organ characteristic of the young
Kerr L. 1925 The lignotubers of eucalypt seedling.
Molinas M. Verdaguer 1993a Lignotuber ontogeny in the cork-oak (Quercus suber, Fagaceae) I. Late embryo.
www.amjbot.org /cgi/content/full/89/3/383   (4072 words)

  
 bonsaiTALK Community - Eucalyptus as Bonsai.
In cases where there is a large lignotuber present to sustain the tree during the trauma of repotting, I have successfully removed as much as ⅔ of the root mass.
The fact that the enormous lignotuber is sprouting numerous branches indicates that this specimen will have no problems in backbudding.
As the lignotuber is undifferentiated tissue, I am hoping 4 roots 2 fill in the area around the base - the tree may not wish 2 co-operate...
forum.bonsaitalk.com /showthread.php?t=9245&page=1   (2334 words)

  
 CSIRO PUBLISHING - Functional Plant Biology
Cutting the stem of intact seedlings underwater and above the lignotuber resulted in rapid increases in leaf water potential (Ψ); 1.1 MPa in 10-15 min with a concomitant decrease in leaf conductance.
The hydraulic conductance of the lignotuber (2.27 × 10
This work suggests that resistance to water flow through the lignotuber accounts, in part, for the persistently low dawn Ψ of the foliage of mature trees of E.
www.publish.csiro.au /nid/102/paper/PP9950857.htm   (182 words)

  
 Eucalyptus apiculata - Growing Native Plants
apiculata is a mallee, having multiple, slender stems emerging from a lignotuber at ground level.
The lignotuber is often visible due to the shallow depth of these soils.
The attractiveness of stems, bark and foliage and the interesting lignotuber lend it to an ornamental application.
www.anbg.gov.au /gnp/interns-2004/eucalyptus-apiculata.html   (645 words)

  
 2,000 kilowatts in each square metre
The lignotuber is a storage organ which will spurt up vigorous shoots when everything else above the ground has been killed by fire.
Wimpey of the Little Desert in Victoria, who was one of Australia's first conservationists back in the 50s, told me of an experiment he did with a mallee lignotuber.
Other trees and scrubs can be fairly easily killed by fires, but their seeds live on.
www.abc.net.au /science/kelvin/files/s3.htm   (835 words)

  
 Root starch storage and allocation patterns in seeder and resprouter seedlings of two Cape Erica (Ericaceae) species -- ...
James S. 1984 Lignotubers and burls: their structure, function and ecological significance in Mediterranean ecosystems.
Mesléard F. Lepart 1989 Continuous basal sprouting from a lignotuber Arbutus unedo L. and Erica arborea L. as woody Mediterranean examples.
Naveh Z. 1975 The evolutionary significance of fire in the Mediterranean region.
www.amjbot.org /cgi/content/full/89/8/1189   (4676 words)

  
 Friends of Saguaro National Park - About Saguaro National Park: Gambel Oak   (Site not responding. Last check: 2007-10-31)
Sagebrush, lupine, and many bushes and smaller shrubs intertwine with the Gambel oak providing an abundant habitat for wildlife.
Tuber-like roots called lignotubers cause the deciduous Gambel oak (Quercus gambelii) to form dense thickets.
A swollen lignotuber houses hundreds of buds ready to transform into leafy sprouts.
www.friendsofsaguaro.org /oak-gambel.html   (211 words)

  
 Proteaceae Floral Crops: Cultivar Development and Underexploited Uses
It is necessary to avoid rootstocks that form lignotubers as these may sucker and compete with the scion (Elliott and Jones 1982).
Pot culture is also possible, but the lignotuber produced by the plants requires a fairly large container (Offord 1996).
Repeated burning maintains the shrub in a rounded form with numerous upright unbranched stems arising from a woody, persistent lignotuber (Rourke 1984).
newcrop.hort.purdue.edu /newcrop/proceedings1999/v4-410.html   (10974 words)

  
 Jarrah - Eucalyptus marginata
It forms its forests or woodlands ranging from Albany to Gingin, and there is one very old tree in Manjimup that is dated 500 years old.
One of the adaptations the jarrah tree has made is called a lignotuber.
This swelling can store carbohydrates, and can make it possible for a young jarrah to grow back after a fire.
www.blueplanetbiomes.org /jarrah.htm   (503 words)

  
 Mallee - Biocrawler   (Site not responding. Last check: 2007-10-31)
The term mallee has several separate but inter-related meanings.
Mallee is any of a variety of eucalyptus species that grow with multiple stems that can propagate through coppice re-sprouting from lignotubers.
Mallees are very well-equipped to withstand fire and drought, and are understood to have increased significantly in range since humans first arrived in Australia around 50,000 years ago and transformed the landscape.
www.biocrawler.com /encyclopedia/Mallee   (335 words)

  
 The Arboretum at ASU
Cream and gold flowers open in summer from long, oval buds.
Mallee types are low growing and have a number of stems rising from a bulbous rootstock called a lignotuber.
A narrow-leaved gimlet is located on Cady Mall, in front of Cowden Family Resources.
www.azarboretum.org /plantlist/gimlet.htm   (52 words)

  
 Hakea
They have evolved with characteristics which assist the species to survive fire.
Some have a lignotuber which enables them to regrow after fire.
Most Hakea species have wooden fruits in which the seed is held and which only open in fire or when the plant is damaged.
www.greengold.com.au /greengold/CARENOTES/CARENOTES/hakea.htm   (1300 words)

  
 Gambel Oak   (Site not responding. Last check: 2007-10-31)
In most of its range, gambel oak regeneration depends more on sprouting than establishment from seed.
The large underground structure (Lignotuber) of gambel oak supports rapid and extensive sprouting following top removal.
This vegetative reproduction is often dependent on disturbances such as fire and cutting.
extension.usu.edu /rangeplants/woody/gambeloak.htm   (465 words)

  
 Early Lignotuber Formation in Banksia--Investigations into the Anatomy of the Cotyledonary Node of TwoBanksia ...
Early Lignotuber Formation in Banksia--Investigations into the Anatomy of the Cotyledonary Node of TwoBanksia (Proteaceae) Species -- Mibus and Sedgley 86 (3): 575 -- Annals of Botany
Early Lignotuber Formation in Banksia—Investigations into the Anatomy of the Cotyledonary Node of TwoBanksia (Proteaceae) Species
Proteaceae, Banksia menziesii, Banksia serrata, cotyledonary node, lignotuber, burl, anatomy, axillary buds, accessory buds, adventitious buds, clonal propagation
aob.oxfordjournals.org /cgi/content/abstract/86/3/575   (453 words)

  
 Banksias
The shrubs often have many stems and erect flowers at ground level.
About half the Banksia species have a fire-resistant trunk or woody stock, called a lignotuber, from which they re-shoot after a fire, and bark 1 cm thick.
The others have thin bark and stems which are killed by fire.
www.greengold.com.au /greengold/CARENOTES/CARENOTES/banksias.htm   (1189 words)

  
 Lucidcentral: Tutorial Introduction
Tree up to 10m or shrub up to 3 m, trunk bark verrucose, leaves scattered and oblong, 8-25 x 1-4 cm, margins dentate, green above and tomentose below.
Fire tolerant, sprouts from epicormic shoots or lignotuber.
Prostrate shrub 20-50cm high, trunk absent, branch bark woolly, leaves scattered 24-45 x 4-10 cm, margins deeply lobed, bluish-green above, tomentose becoming smooth below.
www.lucidcentral.com /lucid2/builder/tutorials/TutorialIntro.htm   (396 words)

  
 Arboretum Images 7b
It also has a conelike follicle cluster that opens by fire.
Like our local shrubs of the coastal sage scrub and chaparral, some Australian banksias develop a woody, subterranaean lignotuber that resprouts after fire.
Although they are morphologically very different, several California pines have serotinous seed cones that open by fire.
waynesword.palomar.edu /arbimg7b.htm   (325 words)

  
 Eucalyptus F
It grows at lake margins and tolerates poor drainage in the wild, but I would not recommend using it in boggy sites in cultivation.
Although not generally considered a very hardy species, there are some provenances which may be able to take temperatures down to 5°F. But unfortunately it does not develop a lignotuber and will not regrow if the top is destroyed in a freeze.
Eucalyptus regnans is also featured in Milligan Seeds and Trees Gallery: (trees)
www.angelfire.com /bc/eucalyptus/R.html   (698 words)

  
 tonge swelling burning - OneLook Dictionary Search
You can look up the words in the phrase individually using these links: tonge swelling burning
Reverse dictionary results: dieffenbachia, sore, blister, intumescent, flagrancy, lignotuber, more...
You might try using the wildcards * and ?
www.onelook.com /?w=tonge+swelling+burning&ls=a   (90 words)

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