tree In botany, a tree is a perennial plant with an elongated stem, or trunk, usually supporting branches and leaves. In some usages, the definition of a tree may be narrower, including only woody plants with secondary growth, plants that are ...

is a perennial woody plant. Tree or trees may also refer to:

Information representation

Tree structure A tree structure, tree diagram, or tree model is a way of representing the hierarchical nature of a structure in a graphical form. It is named a "tree structure" because the classic representation resembles a tree, although the chart is gener ...

or tree diagram, a way of representing a hierarchical nature of structure in a graphical form *

Family tree A family tree, also called a genealogy or a pedigree chart, is a chart representing family relationships in a conventional tree structure. More detailed family trees, used in medicine and social work, are known as genograms. Representations of ...

, used in genealogy to show familial relationships *

Decision tree A decision tree is a decision support tool that uses a tree-like model of decisions and their possible consequences, including chance event outcomes, resource costs, and utility. It is one way to display an algorithm that only contains condit ...

, a tree model of decisions and their consequences * Dialogue tree, used to generate conversations *

Parse tree A parse tree or parsing tree or derivation tree or concrete syntax tree is an ordered, rooted tree that represents the syntactic structure of a string according to some context-free grammar. The term ''parse tree'' itself is used primarily in co ...

, used in linguistics to represent the syntax of sentences

Mathematics

* Tree (descriptive set theory), a set of finite sequences of elements of X that is closed under subsequences, on a set X *

Tree (graph theory) In graph theory In mathematics, graph theory is the study of ''graphs'', which are mathematical structures used to model pairwise relations between objects. A graph in this context is made up of '' vertices'' (also called ''nodes'' or ''points ...

, a connected graph without cycles * Tree (set theory), like a graph-theory tree, but with a distinguished root, and possibly having chains of transfinite length * Tree diagram (probability theory), a tree-like representation of a probability space *TREE, an extremely fast-growing function; see

Kruskal's tree theorem In mathematics, Kruskal's tree theorem states that the set of finite trees over a well-quasi-ordered set of labels is itself well-quasi-ordered under homeomorphic embedding. History The theorem was conjectured by Andrew Vázsonyi and proved by ...

Computing

Tree (automata theory) In automata theory, a tree is a particular way of representing a tree structure as sequences of natural numbers. For example, each node of the tree is a word over set of natural numbers (\mathbb), which helps this definition to be used in automa ...

Tree (command) In computing, tree is a recursive directory listing command or program that produces a depth-indented listing of files. Originating in PC- and MS-DOS, it is found in Digital Research FlexOS, IBM/Toshiba 4690 OS, PTS-DOS, FreeDOS, IBM OS/2, Micros ...

, a recursive directory listing program that produces a depth indented listing of files *

Tree (data structure) In computer science, a tree is a widely used abstract data type that represents a hierarchical tree structure with a set of connected nodes. Each node in the tree can be connected to many children (depending on the type of tree), but must be conn ...

, a widely used computer data structure that emulates a tree structure with a set of linked nodes *

Tree network A tree topology, or star-bus topology, is a hybrid network topology in which star networks are interconnected via bus networks. Tree networks are hierarchical, and each node In general, a node is a localized swelling (a "knot") or a point of in ...

, a type of computer and communication network topology *

Digital tree In computer science, a trie, also called digital tree or prefix tree, is a type of ''k''-ary search tree, a tree data structure used for locating specific keys from within a set. These keys are most often strings, with links between nodes de ...

, prefix tree or trie, a computer science ordered tree data structure

Films

* ''The Tree'' (1969 film), an American film directed by Robert Guenette * ''The Tree'' (1993 film), a short film * ''The Tree'' (2001 film), a Singaporean film directed by Daisy Chan * ''The Tree'' (2010 film), an Australian/French film directed by Julie Bertuccelli * ''The Tree'' (2014 film), a Slovenian film directed by Sonja Prosenc

Literature

* ''Tree'' (novel), a 1978 historical novel by F. Sionil José * "Trees" (poem), a 1913 poem by Joyce Kilmer * ''The Trees'' (Richter novel), a 1940 novel by Conrad Richter * ''The Tree'' (book), an autobiographical book by John Fowles * ''The Tree'' (play), a 1957 play by Stella Jones * "The Tree" (short story), a short horror story by H. P. Lovecraft *'' Ms. Tree'', a comic book and the title character * ''Trees'' (comics), a science fiction comic book series by Warren Ellis and Jason Howard *''

Trends in Ecology and Evolution A fad or trend is any form of collective behavior that develops within a culture, a generation or social group in which a group of people enthusiastically follow an impulse for a short period. Fads are objects or behaviors that achieve short-l ...

'', a scientific journal *''

Our Father Who Art in the Tree ''Our Father Who Art in the Tree'' is a 2002 debut novel by Australian writer Judy Pascoe. It is written from the perspective of 10-year-old Simone who believes her late father is living in the tree in her backyard. The novel was reissued as '' ...

'', a 2002 novel by Judy Pascoe, reprinted in 2010 as simply ''The Tree'' * ''The Trees'' (Everett novel), a 2022 novel by Percival Everett

Music

Bands

Trees (band) Trees was a British folk rock band recording and touring throughout 1969, 1970 and 1971, reforming briefly to continue performing throughout 1972. Although the group met with little commercial success in their time, the reputation of the band ...

, British folk band

Albums

* ''Trees'' (Avantdale Bowling Club album), 2022 * ''Tree'' (Gaelic Storm album), 2001 * ''Tree'' (Johnny Duhan album), 2002 * ''Tree'' (TVXQ album), 2014 * ''Tree'' (Sekai no Owari album),2015 * ''The Tree'' (album), 2018

Songs

* "Trees", a 1961 song by the Platters * "Trees", a song by Twenty One Pilots from the album '' Vessel'', 2013 * "The Trees" (Rush song), a 1978 song by Rush * "The Trees" (Pulp song), a 2001 song by Pulp * "The Trees", a song by Autechre from the album ''

Untilted ''Untilted'' is the eighth studio album by the United Kingdom, British Intelligent dance music, IDM duo Autechre. The record was released 18 April 2005 in Europe and 19 April 2005 in North America by Warp Records, while Beat Records released ...

'', 2005 * "Trees", a 2011 song by

Twenty One Pilots Twenty One Pilots (stylized in Letter case, all lowercase or as twenty øne piløts) are an American musical duo from Columbus, Ohio. Initially a band, the group was formed in 2009 by lead vocalist Tyler Joseph along with Nick Thomas and Chris ...

People

* Tree (surname), a surname (including a list of people with the name) *

Keith "Tree" Barry Keith Barry, known professionally as Tree, is an American musician and multi-instrumentalist. He is best known as a past touring member of the Red Hot Chili Peppers, and for having appeared on several albums released by the band. He is also a m ...

(born 1964), American musician *

Tree Gelbman Theresa "Tree" Gelbman is a fictional character from Christopher Landon's slasher film ''Happy Death Day'' (2017) and its sequel ''Happy Death Day 2U'' (2019). She was created by writer Scott Lobdell and portrayed by Jessica Rothe in both of her ...

, a fictional character in ''

Happy Death Day ''Happy Death Day'' is a 2017 American black comedy slasher film directed by Christopher Landon, and written by Scott Lobdell. It stars Jessica Rothe and Israel Broussard. The film was produced by Jason Blum through his Blumhouse Productions b ...

'' and its sequel, '' Happy Death Day 2U'' * Lavon "Tree" Mercer (born 1959), American-Israeli basketball player *

Tree Rollins Wayne Monte "Tree" Rollins (born June 16, 1955) is an American former professional basketball player who played 18 seasons in the National Basketball Association (NBA) for the Atlanta Hawks, Cleveland Cavaliers, Detroit Pistons, Houston Rockets, ...

(born 1955), American basketball player

Other uses

* Tree (dominoes), a domino game in which every double is a spinner * Tree (Wu Xing), the first movement in Wu Xing philosophy *

Tree River The Tree River (Kogluktualuk) is a river in Nunavut, Canada. It flows into Coronation Gulf, an arm of the Arctic Ocean. Glacial landforms, such as a kame delta, are represented in the area of the Tree River. This area was the ancestral home of ...

, a Canadian river * Sacred tree, a tree believed to be sacred *

Stanford Tree The Stanford Tree is the Stanford Band's mascot and the unofficial mascot of Stanford University. Stanford's team name is " Cardinal", referring to the vivid red color (not the common songbird as at several other schools), and the university doe ...

, unofficial mascot of Stanford University *The Tree (tonewood), a famous very large

mahogany Mahogany is a straight-grained, reddish-brown timber of three tropical hardwood species of the genus ''Swietenia'', indigenous to the AmericasBridgewater, Samuel (2012). ''A Natural History of Belize: Inside the Maya Forest''. Austin: Unive ...

tree felled in Honduras, renowned for its highly-figured grain and popular with

luthier A luthier ( ; AmE also ) is a craftsperson who builds or repairs string instruments that have a neck and a sound box. The word "luthier" is originally French and comes from the French word for lute. The term was originally used for makers o ...

s for guitar sides and backs *

Trees Dallas Trees is an American live music venue opened in 1990 in the Deep Ellum district of downtown Dallas, Texas. The venue has hosted international touring musical acts such as Nirvana, Snoop Dogg, The Flaming Lips, Death Grips, Daughter, The Wailer ...

, a live music venue in the Deep Ellum district of Dallas, Texas *

Tree (installation) ''Tree'' was a controversial high inflatable sculpture by the artist Paul McCarthy that was briefly installed in the Place Vendôme in Paris in October 2014 as part of a exhibition called "Hors les murs". Although officially described as a Chr ...

, an art installation in Paris, France * Shoe tree, a device for storing shoes *Tree, the wooden understructure of a horse's

saddle The saddle is a supportive structure for a rider of an animal, fastened to an animal's back by a girth. The most common type is equestrian. However, specialized saddles have been created for oxen, camels and other animals. It is not kno ...

* Tree model, about language family trees in historical linguistics