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The leaf-to-leaf path-length on a fixed Unrooted Binary Tree (UBT) T encodes the number of edges belonging to the unique path in T connecting a given leaf to another leaf. For example, by referring to the UBT shown in the image on the right, the path-length p 1 , 2 {\displaystyle p_{1,2}} between the leaves 1 and 2 is equal to 2 whereas the ...
Tree Without Leaves (落葉樹, Rakuyōju, lit. "Deciduous Tree") is a 1986 Japanese autobiographical [ 3 ] drama film written and directed by Kaneto Shindō . Plot
A dendrochronology, based on these trees and other bristlecone pine samples, extends back to about 9000 BC, albeit with a single gap of about 500 years. [20] [3] An older bristlecone pine was reportedly discovered by Tom Harlan in 2009, based on a sample core collected in 1957. According to Harlan, the tree was 5,062 years old and still living ...
Ceiba speciosa, the floss silk tree (formerly Chorisia speciosa), is a species of deciduous tree that is native to the tropical and subtropical forests of South America.It has several local common names, such as palo borracho (in Spanish literally "drunken stick"), or árbol del puente, samu'ũ (in Guarani), or paineira (in Brazilian Portuguese).
A star tree is a tree which consists of a single internal vertex (and n – 1 leaves). In other words, a star tree of order n is a tree of order n with as many leaves as possible. A caterpillar tree is a tree in which all vertices are within distance 1 of a central path subgraph.
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A tree in the median of Interstate 17 annually decorated for Christmas. International World War Peace Tree: Linden tree: Darmstadt, USA 113 [51] A tree planted by German American immigrants, it was dedicated at the end of World War I as a reminder of Germany's armistice with the United States and a sign of loyalty to America. Iluvatar
Leaves of most plants include a flat structure called the blade or lamina supported by a network of veins, a petiole and a leaf base; [1] but not all leaves are flat, some are cylindrical. [ citation needed ] Leaves may be simple, with a single leaf blade, or compound, with several leaflets .