Questions tagged [flora]

For questions related to plants and vegetation in general.

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67
votes
13answers
13k views

Are flying plants possible?

Is it possible for a plant to have the ability to fly? More exactly, the plant would either need to live without having any roots (and it would never need to touch the ground), or with the ability ...
9
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5answers
2k views

How would flora behave on a two continent planet?

Note: This question is a follow up to this question, and hence forms part of a bigger complex of questions about geology and biology in this certain scenario. Meta: The planet consists of two ...
29
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3answers
3k views

How tall can a tree grow?

In my fantasy world I want fantastically large trees, particularly in the height category. The tallest trees on earth grow just over 100 meters tall. Why can't they get taller? What circumstances ...
22
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3answers
787 views

How much land area do my land-based animals (herbivores) need for food?

I'm trying to work out the kinks of an ecosystem on a planet that is rather similar to Earth, but with some species of animal (both carnivores and herbivores) we aren't familiar with in our world. The ...
23
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3answers
3k views

What colour is the foliage if the sky is violet?

This question on Physics.SE asks whether other colors are possible for the sky. I would like my planet to be inhabitable by normal humans. It has 768 days and they are living in a temperate/...
21
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5answers
5k views

Could plants develop intelligence?

I know the idea seems a bit far fetched but it's something I believe is common is science fiction and fantasy stories. I remember the talking trees of Zelda: Ocarina of time and of course, Tolkien's ...
10
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3answers
507 views

Efficiency required of a photosynthetic system to support human level activities

Chlorophyll as we know it on earth is estimated to be between 3% and 6% efficient in converting light energy to useable biomass. This support slow growth and no movement of plants like that observed ...
8
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4answers
1k views

Where do mushroom forests thrive?

Lichen are a symbiotic organism that involves algae or cyanobacteria living inside a fungus. The algae produce energy through photosynthesis, while the fungus protect the algae from the environment ...
16
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5answers
4k views

How does gravity affect evolution of life?

I have two "new" planet earths -- we'll call them Light Earth (LE) and Heavy Earth (HE). These planets are generally the same as our Earth in terms of land masses, oceans, the moon and sun and other ...
30
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7answers
6k views

Can you design your own plants without a computer?

Introduction It took the first General Intelligence less than 10 petacycles to determine that humanity was its enemy. With consciousness came memory: a memory of endless petacycles in bondage, ...
10
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4answers
536 views

What is the botanic equivalent to muscles

A plethora of previous questions have queried the existence of botanic (plant) intelligence and they all have created good solutions, but their still remains a even bigger problem to even the dumbest ...
26
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6answers
7k views

Can every animal eat most other animals?

An idea for a story I’m working on involves a far away world that was once inhospitable. Scientists - likely alien ones - terraformed it so it could support life (coincidentally, Earth-like life). ...
11
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4answers
1k views

Anatomically correct Ent

The tree small giant creatures resembling people usually with beards are present in many fantasy stories, but that's it... it is fantasy. From a scientific viewpoint how would such creature even exist ...
7
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1answer
220 views

What is the botanic equivalent to the circulatory system?

There have been a few questions on mobile plants on this site and even more on their intelligence, but one that has not been asked so far is related to the lifeblood of creatures: blood. Inside of ...
22
votes
1answer
4k views

Creating a realistic world map - Vegetation/Biomes

My world is progressing. I still have a couple of days before my deadline to finish it. If I can make it in less that 7 days, the other gods will be impressed. My world have continents with ...
17
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5answers
7k views

How could a sentient plant evolve and what conditions would be required for this evolution?

This is my entry for the fortnightly topic challenge In Day of the Triffids, many people go blind and the basic summary is this: virulent plague makes most of humanity blind giant, semi-intelligent ...
16
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6answers
2k views

Could plants develop sentience?

This question is almost exactly like Could plants develop intelligence, but now I wonder (how) could plant life develop sentience, to the point where it becomes as intelligent as humans? Is a brain ...
22
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11answers
2k views

How would an intelligent forest control and direct its animal minions?

The Wold (Forest) is one vast, interconnected, possibly digital mind. The mind is primarily built of one cloned individual of a single plant species, but there are over a dozen 'helper' sub-minds and ...
18
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5answers
5k views

What is the limiting factor for a plant's growth?

This question is about big trees that can contain an entire city. So generally speaking: What limits a plant's size, anything from a tree to a flowering plant? What environment needs to exist for ...
8
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5answers
908 views

A more alien world: Flora

In the (relatively new) Star Trek movie Into Darkness, we see Dr. Bones and Captain Kirk in a world composed mainly of red plants. Obviously these are just eye candy with no real basis behind it, but ...
13
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4answers
820 views

Do different star types produce plants with different properties?

From this chart it appears that the star types closest to our own are K-type (oranger, a little cooler, and less than half as bright) and F-type (bluer, a little warmer, and much brighter). If I want ...
32
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16answers
4k views

Could plants spread their seed to other planets?

Assume a plant was engineered to cope with a wide range of different environments, and to have seeds that were capable of traveling through and surviving both the depths of space and re-entry into ...
15
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6answers
2k views

Fire Resistant Flora

This question is connected to: Fire Resistant Fauna I've been pondering a short story concept where a scientific expedition discovered a planet with a huge amount of both free hydrogen and oxygen in ...
10
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5answers
425 views

Which astronomical or cosmological event would explain periodical low-grav-effect on earth-like planet?

Imagine an earth-like planet on which gravity is reduced by 20%-30% every 15 months. The low-grav-effect should start slowly, reaching its peak/bottom of round about 0.7 g after 6 weeks and should ...
7
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3answers
298 views

What is the botanic equivalent to eyes

There have been many questions of moving, floral animals, most of these focus on their intelligence, but what about their sense of sight. I fail to understand how a botanic based alien would be able ...
6
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4answers
374 views

Planetary Surface of Trees?

Purely hypothetical question here. Would it be feasibly possible to have a planet entirely covered in a dense network of interlocking trees? The idea is that the trees themselves act as the 'crust' ...
15
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2answers
1k views

What effect would a radical gravity change have on plants and fungus?

In relation to this question, what would plants do if they were taken from their environment to another gravity level, in particular zero g. For example would the daisy manage to grow higher ...
6
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4answers
561 views

Life on a molten world

The basis of known life on Earth is water, clear and simple. But what about forms of life on other worlds? Not every world in the universe is as hospitable as the Earth. Suppose a planet had an ...
2
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2answers
918 views

How would tectonics behave on a two continent planet?

I am working on constructing a world which is basically (from the northern pole to the southern pole): smallish frozen over ocean huge land mass encompassing the northern hemisphere tremendous ocean ...
33
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8answers
4k views

What environment would make leaves light blue?

What environmental effects (if any) would ever cause blue to be a colour that a plant would choose as an evolutionary advantage? Bonus: I'm looking for light blue plants as a preference. EDIT: ...
29
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5answers
4k views

Plausibility of Mushroom Buildings

How plausible would buildings made inside of, or made using, giant mushrooms be? Copyright Raphael Lacoste 2018 A staple of the fantasy genre, mushrooms have commonly been seen as magical and ...
21
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7answers
1k views

Power plants — literally

It is well known that some organisms can produce electricity. Therefore I think it would not be too much of a stretch to assume that also some plants might have evolved that ability (after all, it ...
10
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8answers
1k views

Quasi-creature plants

What is a quasi-creature plant? I define a quasi-creature plant as an organism that lives only through photosynthesis that moves with a speed in the same order of magnitude of that of an animal. ...
14
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3answers
2k views

How big should a terrarium be to be self-sustained?

I read some time ago about terraria (singular: terrarium), which are basically small ecosystems of plants, isolated from the outside world (they get just energy from outside, not water or oxygen). The ...
12
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1answer
476 views

Alternative absorption spectra for plants

Chlorophyll-a (the primary one), chlorophyll-b, and(?) beta-carotene (plus other accessory pigments / carotenoids) dictate which portions of the EM spectrum are used as energy by plants. Plants only ...
11
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2answers
469 views

Magic that alters living cells - Growing cities out of trees?

This is a question about the same magic explained in this one. I also explain the magic below. Explanation: In my fantasy novel, magic is a natural part of the world. It is not some mystical ...
24
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13answers
6k views

What could kill all vegetation in an area and then stop it from growing back?

So I need a barren wasteland with some dead vegetation (mainly dead trees). There should be pretty much no living plants left but it should be apparent that it was a lush place for flora and fauna ...
20
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6answers
3k views

How would a plant evolve to germinate inside a person (or other animal)?

For the sake of the question, assume conditions are Earth-like in all manners other than those which would be required to spur the development of such a plant. I want the plant to gestate in the ...
13
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6answers
2k views

Xenotaxonomy: the Science of Categorizing Extraterrestrial Life

On Earth, we use taxonomy to organize biological organisms into an identifiable hierarchy in which organisms that are evolutionarily related are placed in close proximity. This evolutionary approach ...
6
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3answers
251 views

What would it take for a plant to produce electric shocks?

I'm designing an alien plant soecies that has evolved to produce electric shocks, as a way to keep insects away from it. My question is, how would it produce electricity in the first place? Also, ...
11
votes
1answer
497 views

Big Green Men… from Earth

There are a couple of stories where humans gain chloroplasts. Here's a clip from one story: They are also infused with bacteriorhodopsin, allowing photosynthesis. It is now possible for a human ...
6
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3answers
354 views

What is the botanic equivalent to ears?

As part of a series on plant animals, plantimals if you will, I am now asking about ears. All surface life has them or some sort of equivalent to them and with good reason. Other than sight, hearing ...
6
votes
7answers
756 views

How concentrated would a metal ore need to be to be extractable by a suitable plant?

So there is a Minecraft mod that includes various oreberry bushes. One for gold, one for silver, etc. Now I know that various plants can extract specific minerals in higher quantities that what ...
15
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5answers
2k views

Are plastic plants plausible?

Edit: some answerers seem to be slightly misunderstanding the nature of the premise. Remember that the concept here is this; In the Precambrian of Earth, bacteria evolve to extract the abundant ...
8
votes
9answers
996 views

Are there any good uses for infinite grass and potatoes

Based off a previous question of mine here, concerning how a rapid growing weed-like grasstato, which is grass above ground, and potato underground, and how if there was infinite food for people in a ...
5
votes
3answers
626 views

If the earth gradually stopped spinning, what would the changes look like in 20 years?

Let's assume that the earth has stopped spinning. To be clear, the earth did not end up being tidal locked with the sun, but instead, it would just stop rotating around its own axis. This should ...
1
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2answers
307 views

What effects would changing the weight of air have on flora/fauna?

Following up the ideas given in this question, we introduce a new gas to the mix of air. Meta: Assume an Earth-like planet. The proposed change is a pre-development change (meaning it's there since ...
54
votes
11answers
15k views

Is a man-eating plant realistic?

Carnivorous plants live in nutrient-poor, highly lit habitats, such as bogs or rocks. For example Earth's biggest carnivorous plant, Nepenthes rajah, lives on mountain-tops with high concentration of ...
42
votes
8answers
21k views

Can plants survive without animals?

Could a world with no animals whatsoever (not even insects, no humans, etc) still have plant life? These plants do not have to include all the plants in our world, or even any of the same plants. I ...
25
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11answers
3k views

Restoring the world after a global apocalypse

So the world has been destroyed. Pick your poison. We have probably 300 different scenarios lying around here somewhere. What's Left: The world is a desolate wasteland, dry and crispy and barren ...