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340:. Poachers often cut off the burls from the sides of the trunks using chainsaws, which exposes the tree to infection and disease, or fell the entire tree to steal burls higher up. Because of the risk of poaching, Jeff Denny, the state park's redwood coast sector supervisor, encourages those buying burl to inquire where it came from and to ensure it was obtained legally. Legal acquisition methods for burl include trees from private land cleared for new development and from lumber companies with salvage permits.
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wood, prized for its beauty and rarity. It is sought after by furniture makers, artists, and wood sculptors. There are a number of well-known types of burls (each from a particular species); these are highly valued and sliced into veneers for furniture,
255:. It stands 6.4 ft (2.0 m) tall, with an odd shape resembling a trombone. In January 2009, this burl was controversially removed from its original location, and relocated to a public school in the central New South Wales city of
316:, because its grain is twisted and interlocked, causing it to chip and shatter unpredictably. This "wild grain" makes burl wood extremely dense and resistant to splitting, which made it valued for bowls, mallets,
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that is generally not discovered until the tree dies or falls over. Such burls sometimes appear as groups of bulbous protrusions connected by a system of rope-like roots. Almost all burl wood is covered by
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247:) and can engirdle the entire trunk; when moisture is present, these burls can grow new redwood trees. The world's second-largest burls can be found in
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Burls yield a very peculiar and highly figured wood sought after in woodworking, and some items may reach high prices on the wood market.
661:
731:
James, Susanne (1984). "Lignotubers and Burls: Their
Structure, Function and Ecological Significance in Mediterranean Ecosystems".
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from dormant buds. Burl formation is typically a result of some form of stress such as an injury or a viral or fungal infection.
312:) superficially resembles burr maple, but it is something else entirely. Burl wood is very hard to work with hand tools or on a
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225:. It may be caused by an injury, virus or fungus. Most burls grow beneath the ground, attached to the roots as a type of
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In some tree species, burls can grow to great size. The largest, at 26 ft (8 m), occur in coast redwoods (
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in doors, picture frames, household objects, automobile interior paneling and trim, musical instruments, and
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818:"The distribution and possible importance of a woody tumor on trees of the white spruce, Picea glauca"
252:
902:
Zalasky, Harry (1975). "Low-temperature-induced cankers and burls in test conifers and hardwoods".
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of burl specimens and damaging the trees in the process poses a problem in some areas.
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A burled spruce log carved for use as a railing with built-in seats on a log cabin
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Proceedings of the
National Academy of Sciences of the United States of America
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302:" is not a species of a maple, but wood from a maple's burl (burr). The famous
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251:. One of the largest burls known was found around 1984 in the small town of
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and "beetles" or "beadles" for hammering chisels and driving wooden pegs.
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manner. It is commonly found in the form of a rounded outgrowth on a tree
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A park ranger inspects a redwood tree illegally cut to obtain a burl,
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234:, even if it is underground. Insect infestation and certain types of
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have recently been poached by thieves for their burls, including at
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702:
Funk, A. (1982). "Therrya canker of spruce in
British Columbia".
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662:"Poachers Attack Beloved Elders of California, Its Redwoods"
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infestation are the most common causes of this condition.
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North
American Burl Treen: Colonial & Native American
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221:A burl results from a tree undergoing some form of
611:"What's a "Burl" and Why Is There One on My Tree?"
415:Multiple burls on an ancient cypress tree at the
399:A longitudinal section through a larch burl from
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108:(British English) is a tree growth in which the
816:White, PR; Millington, WF (February 1954).
177:. Unsourced material may be challenged and
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637:. New York: Ballantine Books. pp. 28–32.
197:Learn how and when to remove this message
76:Learn how and when to remove this message
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39:This article includes a list of general
901:
685:The Illustrated Professional Woodworker
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660:Brown, Patricia Leigh (April 8, 2014).
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451:, Olympic National Park, Washington, US
328:Because of the value of burls, ancient
275:Burls yield a very peculiar and highly
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780:. Brooklyn: S. Scott Powers Antiques.
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384:A large spruce burl on display at the
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175:adding citations to reliable sources
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797:"Mistletoe Burl and Witches'-Broom"
704:Canadian Journal of Plant Pathology
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369:A giant burl near Solduc Falls in
45:it lacks sufficient corresponding
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503:One of several thousand-year-old
357:A bowl made from a plum tree burl
843:"A Tree Tumor of Unknown Origin"
635:A Museum of Early American Tools
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338:Redwood National and State Parks
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795:Rankin, William Howard (1918).
213:Large burl on a spruce tree at
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249:Port McNeill, British Columbia
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687:. London: Anness Publishing.
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7:
930:Video footage of tree burrs
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417:Beijing Temple of Confucius
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10:
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904:Canadian Journal of Botany
776:Powers, Steven S. (2005).
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124:that is filled with small
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724:10.1080/07060668209501277
683:Corbett, Stephen (2006).
332:in national parks in the
253:Tamworth, New South Wales
92:Burrs on a tree trunk in
965:Wood-related terminology
841:White, PR (April 1958).
801:Manual of Tree Diseases
543:Burls on hollow trunk,
491:Brohmer Bergen, Germany
60:more precise citations.
16:Deformed tree outgrowth
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262:
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104:(American English) or
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868:10.1073/pnas.44.4.339
633:Sloane, Eric (1973).
481:Burl on a sessile oak
433:Redwood National Park
386:University of Alberta
371:Olympic National Park
334:Western United States
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212:
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21:Burl (disambiguation)
529:Pithecellobium dulce
306:of the sugar maple (
244:Sequoia sempervirens
171:improve this section
19:For other uses, see
859:1958PNAS...44..339W
745:1984BotRv..50..225J
716:1982CaJPP...4..357F
507:with many burls in
803:. pp. 214–5.
753:10.1007/BF02862633
666:The New York Times
469:in central Austria
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694:978-0-681-22891-7
215:Denali State Park
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292:Working the Wood
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304:birdseye maple
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568:Trees portal
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435:, California
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296:The prized "
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169:Please help
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505:Platycladus
286:woodturning
139:Description
58:introducing
939:Categories
620:2024-05-13
615:The Spruce
597:References
513:Tian'anmen
511:, west of
463:Burl near
403:, Scotland
299:burr maple
227:malignancy
41:references
950:Furniture
447:Burls on
158:does not
96:, England
66:June 2011
945:Antiques
895:16590202
834:13126948
769:20759935
554:See also
419:in China
401:Ayrshire
330:redwoods
324:Poaching
217:, Alaska
187:May 2014
133:Poaching
114:deformed
855:Bibcode
809:1652501
761:4354037
741:Bibcode
712:Bibcode
344:Gallery
277:figured
179:removed
164:sources
94:Norfolk
54:improve
893:
886:335423
883:
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832:
807:
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767:
759:
691:
641:
576:Canker
526:Burls
465:Palfau
223:stress
122:branch
43:, but
955:Trees
877:89803
873:JSTOR
765:S2CID
757:JSTOR
591:Guksi
318:mauls
314:lathe
282:inlay
257:Dubbo
126:knots
118:trunk
110:grain
960:Wood
891:PMID
830:PMID
805:OCLC
782:ISBN
689:ISBN
639:ISBN
586:Gall
236:mold
232:bark
162:any
160:cite
106:burr
102:burl
912:doi
881:PMC
863:doi
749:doi
720:doi
263:Use
173:by
120:or
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100:A
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
