Tree
A tree was a wooden plant which was often rooted into the ground. An area of multiple trees was called a forest.
Biology
Trees were often made of wood and had leaves. You could tell their age by the number of rings across the insides of their trunks. (TV: In the Forest of the Night) According to the Rani, a tree had four times the life expectancy of a human being. (TV: The Mark of the Rani) The strongest trees were able to mangle fences and topple monuments such as Nelson's Column. (TV: In the Forest of the Night)
While the majority of trees were rooted into the ground, some were able to move and claimed sentience. (TV: The End of the World)
Uses
As a natural resource
Androzani trees were used as fuel by the populace of Androzani Major. (TV: The Doctor, the Widow and the Wardrobe)
As decoration and comfort
At Christmas, some trees were decorated with lights and baubles. (TV: The Runaway Bride) Town planners on Tivoli used trees to provide shade for invading armies. (TV: The God Complex)
History of trees on Earth
Whilst on Earth in the 1820s, the Rani mined a section of forest with mines that turned humans into trees. Following their transformation the former-humans retained some level of consciousness. (TV: The Mark of the Rani)
In 2016, a global forest grew overnight to protect the Earth from a solar flare. The forest was able to communicate with Maebh Arden. (TV: In the Forest of the Night)
Types of trees on Earth
- Major Oak
- Oak
- Laburnum
- Gum tree
- Acacia tree
- Maple
- Willow
- Christmas tree
- Joshua tree
- Ash (tree)
- Birch
- Date palm
- Flame-of-the-forest
- Amyris elemifera
- Cedar
- Yew
- Black ash
- Norwegian spruce
- Olive tree
- Redwood tree
- Elm tree
- Tea tree
- Palm tree
- Fruit tree
- Pine
Elsewhere in the Universe
The forests of Eden were dense even in the small section captured by Tryst's Continuous Event Transmuter. (TV: Nightmare of Eden)
Vislor Turlough once described the trees on Trion as being three times the size of Earth trees, with plate-like thick mauve and purple leaves growing in spirals up blood-red trunks. (AUDIO: Loups-Garoux)
Calderon Beta was home to a four hundred foot tall tree "growing out of a clifftop on the north side of a mountain in the middle of the sea". (HOMEVID: First Night)
A species of tree existed on Gallifrey with silver leaves. These reflected the morning sunlight, making it look like the forests were on fire. (TV: "A Desperate Venture", Gridlock) There were also green forests, similar to those on Earth. [source needed]
In the year 5345, the Eleventh Doctor encountered a group of Androzani trees who were attempting to flee their doomed homeworld. (TV: The Doctor, the Widow and the Wardrobe)
By 5,000,000,000 many trees that had originated on Earth had achieved sentience and humanoid form. (TV: The End of the World)
The Sixth Doctor and Frobisher encountered a talking tree while in Astrolabus' realm. (COMIC: Once Upon a Time Lord)
Miscellaneous trees
Various types of tree, both sapient and ordinary, existed, including:
- Tree of Cheem
- Poppito tree
- Time Tree
- Category:Forests
- Cadonwood tree
- Stage tree
- Treeborg
- Death tree
- Aubora
- Ulanda
- Category:Trees from the real world
- Judas tree
- Upas tree
- Androzani tree
- Eliot (Wildthyme Beyond!)
- Toffee apple tree
- Moon-pine
- Bartleboigle tree
- Heligan Structure
- Tree of Filth
- Hooji tree
- Ash tree
- Bosifghal
- Chedhanhig
- Silverleaf palm tree
- Palm tree
- World Tree
- Category:Fruit trees
- Category:Individual trees
- Rodbol tree
- Luke Ward
- Lofty (Number 1, Gallows Gate Road)
- Jim Sheldrake
- Tree trunk
- Treeform
