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TARDIS Index File

Krynoid

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Krynoids were large, carnivorous alien plants, They were often considered intra-galactic weeds with a hunger for animal life. Krynoids travelled through space as tendrils in small pods, always in pairs. It is uncertain what powered their travel, but it may have been explosions on their home planet hurling the pods into space. Krynoid pods were very hardy and could easily withstand the extreme cold of space.

Biology Edit

Krynoids were bulky, mobile plants covered in tentacles, which may have been roots or vines. They had an undefined anatomy, with no front or back. Though they had great tolerance for cold, high temperatures could damage them. Some of their tentacles ended in red flower-like structures.

They could grow incredibly quickly, easily outgrowing a house in a few hours. Krynoids required animal proteins while young, but could survive on normal photosynthesis later in life. They gathered nitrogen directly from the air, without a need for roots.

A Krynoid seen on Earth in the 20th century appeared to be as intelligent as a human. It could speak English. This may have been a result of having taken a human host. Krynoids also had psychic powers and could control plants and animals. (TV: The Seeds of Doom)

Krynoids were affected by high-pitched noises. (AUDIO: Hothouse) They could be killed with special rockets. (COMIC: Don't Step on the Grass)

Life Cycle Edit

Seedsofdoom Krynoid pod opens

Krynoid pod shoot. (TV: The Seeds of Doom)

Krynoids started life as small pods about twenty centimetres in diameter. Possibly due to the volatile nature of the Krynoids' home planet, many of these pods were launched into space, always in pairs. These pods could survive long trips in space, hibernating for thousands of years.

Once a pod reached a planet and was exposed to sunlight and more tolerable conditions, it grew. When a creature came too close to the pod, the pod would release a long shoot which grabbed and infected the victim, slowly turning it into a Krynoid.

The transformation began almost immediately; first the skin turned plant-like in colour and texture, then it looked like it was covered in green tendrils. Finally all but the basic shape of the lifeform was lost under a mass of green, vegetable growths. The body temperature and the pulse rate dropped severely and plant bacteria — schizophytes — appeared in the bloodstream.

The Krynoid took over its host's mind first. By the time the body had completely changed into vegetation, the host's mind had given way to the Krynoid sentience. Initially, the shock of this transformation kept the hybrid sedate, but once the Krynoid had taken over fully, it became mobile again. It seemed to have great strength. During this early period, the animal-Krynoid hybrid was desperate for warmth and protein, which it absorbed as it converted its host. As it ate, it grew larger. The Fourth Doctor theorised that amputating the area first infected might slow the rate of infection, but this was never put to the test.

Finally, the Krynoid germinated, creating hundreds of pods, ready to reproduce. (TV: The Seeds of Doom)

Seedsofdoom Frozen Krynoid pod

A frozen Krynoid pod from Antarctica. (TV: The Seeds of Doom)

History Edit

The Krynoids were well known throughout the galaxy, though difficult to study because of their violent nature.

The Antarctic pods Edit

Two Krynoid pods arrived on Earth in Antarctica approximately twenty thousand years before the 20th century. They lay dormant until the 1980s, when one of them was discovered by a scientific expedition.

The pod hatched after being thawed out by an ultraviolet lamp. It infected Charles Winlett, one of the human scientists who had found it. The Fourth Doctor, having been alerted to the situation by the World Ecology Bureau, went to the base and investigated. He found the second pod. The second pod was stolen by Scorby, who destroyed the base and the Krynoid with a bomb and took the pod to Chase Mansion, botanist Harrison Chase's home.

Seedsofdoom Thawing Krynoid pod

Krynoid pod thawing. (TV: The Seeds of Doom)

Chase allowed the pod to infect one of his scientists, Arnold Keeler. This second Krynoid grew to gigantic size and developed a psychic link to Chase, who agreed with it that plants should be dominant over animals. The Krynoid was destroyed when UNIT bombed the mansion in an aerial attack. (TV: The Seeds of Doom) UNIT kept information on these Krynoids in the Black Archives (COMIC: Don't Step on the Grass) and pods were kept in the Vault. (AUDIO: Tales from the Vault)

Alex Marlowe's experiments Edit

In the early 21st century, former musician Alex Marlowe led a project attempting to genetically engineer a new Krynoid strain that would cause the physiological changes induced by the Krynoid infection to still take place, including granting the power to control plants, while keeping the victim's original consciousness intact. The project was a failure. It produced a type of Krynoid with a far higher metabolism. It completed its life-cycle in a single hour, not the day normal Krynoids took. Fortunately, the new Krynoid strain had an unexpected weakness in that high-pitched sounds, rather than just causing it pain, allowed the victim's consciousness to re-assert itself for a brief period. The Eighth Doctor was able to exploit this weakness and destroyed Marlowe and his new Krynoids. (AUDIO: Hothouse)

Other references Edit

Behind the scenes Edit

  • The humanoid Krynoid costume was a modified Axon costume painted green. Ironically, plans for a collect-and-build Krynoid toy were abandoned and the Krynoid toy was instead painted orange and pink and turned into an Axon toy.

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