Questions tagged [flora]

For questions related to plants and vegetation in general.

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14
votes
5answers
604 views

How dark can a habitable planet be?

I'm picturing a world with a permanent, dark, overcast sky, but I'm wondering how dark it can be before photosynthesis is no longer an option. It looks like there are a good number of plants that ...
6
votes
3answers
1k views

Can hydrochloric acid and digestive enzymes cause a fire?

I am writing a book and have a species of invasive plants which secretes acid to turn plant and animal matter into a kind of fertilizer. Is this acid capable of causing a fire? Or are the countless ...
2
votes
4answers
293 views

The Ultimate Protein Bar - As a Fruit

Here is the setup: Elves, through magic, have the ability to cause regeneration of limbs/healing of wounds through natural cellular processes. Regenerating a limb, while now possible, obviously takes ...
11
votes
4answers
2k views

Big, big, big… beans

I'm trying to find explanations for a strain of beans (or any other food-producing plant) that have become large, maybe as large as most trees, and about as wide in girth, that overgrows countries ...
37
votes
8answers
7k views

Are diamond berries possible?

Diamonds are carbon. Plants take in CO2 and use the carbon. Chemically, could the right kind of plant have diamonds for berries, or is there some other limiting factor?
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 ...
4
votes
3answers
2k views

Plants made out of metals

Carbon dominates the makeup of life on Earth. But is there any way that plants could be made out of metals, or somehow integrate metals with their constitution? For example, we use calcium in our ...
10
votes
1answer
674 views

Interlocking, ultra-high forest, is it possible?

I was trying to create a world that has extensive massive rain-forests unlike anything on earth where the trees interlock with thick branches to allow them to rise much higher into the air (several ...
3
votes
3answers
2k views

What factors determine the type of tree in a given area?

The title of this question is fairly self-explanatory. I am developing a fantasy world, and I want to know what factors determine what kinds of trees I can have, where I can put them, and why. I ...
6
votes
5answers
312 views

How could a plant generate harmful (only to other species) radiation, or similar effect?

I was considering the creation a long-lived plant which generates harmful (to other species) radiation. If it could be immune to its own radiation, the primary benefit would be that the plants ...
4
votes
5answers
1k views

Explosive plants

Plants in our world evolved various kinds of defenses, like poison, urticating hairs, thorns etc. What i dont see is plants that defend themselves by means of explosions. The explosion by itself can ...
6
votes
3answers
1k views

City in the wake of the Yggdrasil: Engineering Considerations

Following on from my previous question about how to consolidate my fantasy setting with science that was successful (thanks everyone!), things have been progressing well in my world design; and my ...
5
votes
3answers
561 views

What would the flora on a Methane world be like?

Linked: What would animal life on a methane world look like and how would it evolve? What would the conditions on a methane world be like? How would an intelligent race on a methane world achieve a ...
12
votes
4answers
928 views

Designing a city around a giant tree?

One of the cities in my world is built on the ground floor beneath and around giant tree. Giant tree cities seem to pop up fairly frequently in science fiction and fantasy, but how would they actually ...
6
votes
2answers
252 views

Personal Plant Survival

We are in an alternate universe where everything is almost exactly the same. The difference is that each person is born with a single plant. Plants cannot be grown or recreated in any way. The only ...
4
votes
4answers
955 views

Life on a planet with no land near poles

I have an Earth-sized planet in a Milky Way-like galaxy with all the land located at the equator, in a 2000-km line around the planet. There are small islands near the landmass, but no land anywhere ...
0
votes
1answer
122 views

What would perfumes be made of for a species that evolved from flowers? [closed]

Naturally they wouldn't use flowers as a fragrance, that would just be ridiculous. And in case it matters, they're also agnostic.
11
votes
4answers
522 views

What kind of environment would lead to dominantly yellow foliage?

I'm looking for various factors; Atmosphere Composition, Type of Sun, etc, whatever would work. That is, of course, if this is even likely/possible. I believe that yellow is generally not an ideal ...
11
votes
2answers
486 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 force ...
5
votes
1answer
493 views

What would be the most likely colour of leaves on plants on a planet orbiting a red dwarf?

Imagine a red dwarf star orbited by a considerably Earth-sized planet in the star's habitable zone. Assuming the planet has a sufficiently powerful magnetic field to protect its surface from the star'...
11
votes
2answers
435 views

What would the biosphere look like with a constant twilight/midnight sun?

In this fantasy world there is no day/night but a constant mild light. There are also no seasons and the mild light is akin to the light at dawn or dusk. The sun doesn't really exist. How would the ...
9
votes
2answers
2k views

How would plant control powers/magic work?

In my fantasy world everyone has several (three?) magic powers that they're born with, and one of them could be control over plants. About 1/4 to 1/5 of the population will have this. They make the ...
2
votes
1answer
665 views

Plants or animals lighter than air [duplicate]

Would it be possible for plants or animals to evolutionarily develop a trait to accumulate molecular hydrogen in their body cavities (produced for instance by electrolysis of water) so as to become ...
14
votes
4answers
1k 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 ...
14
votes
2answers
634 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 ...
12
votes
6answers
3k views

Humans as pollinators

Plants can have very different pollinators: The wind, insects, and even birds. However, is there a conceivable scenario where a plant could naturally have evolved to depend on humans as pollinators, ...
8
votes
2answers
1k views

Alternative atmosphere plantlife

Are there any reasonably plausible alternatives to the process used by our plants on earth (Carbon Dioxide, Chlorophyll, Oxygen) around which an ecosystem could be built in a planet with a completely ...
11
votes
4answers
386 views

Fluorescent Flora

Well, Luminescence really but I liked the alliteration. Would there be any reason or mechanic why plants may develop that glow in the dark? Ideally they would do so in response to stimulus such as ...
11
votes
5answers
878 views

How could a large spherical plant heat air inside to fly?

In another question, Are flying plants possible?, a point was raised that because of the square-cube law, a large, hollow, spherical plant could fly by having the air inside be a little bit hotter ...
8
votes
1answer
374 views

Dangerous salty creature killing the triffids

This question is inspired by book The Day of the triffids and this question Russia and USA have never been really "friends", lets admit it. So we will not be surprised, that one of them (pick your ...
67
votes
13answers
14k 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 to ...
15
votes
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 ...
24
votes
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 ...
12
votes
5answers
2k views

How long a footbridge could you make from natural materials?

In many scenes you see something like this: If I was designing a world for a culture living in a rain-forest and their land was cut through by many vast ravines then what sort of spans could they ...
11
votes
1answer
518 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 ...
17
votes
9answers
2k views

How might Plants produce flames?

We all know of plants that draw in animals with sweet nectar or even just sit around hoping an insect will sit on it and get caught, but I'm imagining a forest dimly lit by the flickering flames of a ...
6
votes
4answers
318 views

What properties would make a plant ideal for use on a space ship?

What properties of a species of plant would make it the ideal choice for taking it on a year-long trip through space as both an oxygen source and food source? We should assume that the amount of ...
35
votes
5answers
4k views

That's no Moon: Planet-sized Plants Possible?

Inspired by the many great questions asked for this fortnight's tag challenge, I got to thinking, could a plant develop/evolve to eventually consume an entire planet, and keep on living? What I mean ...
34
votes
17answers
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 ...
6
votes
7answers
779 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 ...
7
votes
2answers
290 views

Chemoautotrophic Flora!

Chemoautotroph Flora In a world where there is not much sunlight, I still want to have life. Specifically, I want to capitalize on chemoautotrophs so much that the alien schoolchildren learn something ...
22
votes
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 ...
4
votes
5answers
439 views

In a nanotech future, how do you preserve the plants?

This has been a problem that's been bothering me for some time. If you have nanotech, that can pull atoms together and make things. What's to stop you from making an assembler that grabs carbon ...
14
votes
2answers
510 views

What kind of reaction time could a mobile plant have?

We have Venus flytraps which move by closing their 'mouth' to trap prey. There are currently few identified plants with a 'quick' reflex like this. Blooms of course open and close through the course ...
29
votes
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 ...
26
votes
10answers
4k views

Plant-based Armor

A lot of games feature some sort of wooden armor, but it's usually pretty low-level and mostly useless. However, I think that with a knowledge of flora and a healthy dose of imagination, there exist ...
8
votes
3answers
821 views

The desert of ore, what would the flora and fauna of it be like?

Based on my previous question here, which a helpful other person pointed out, which would make the question too broad, here comes a different question for that. Given a desert full of ore sand, what ...
20
votes
7answers
8k 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 ...
8
votes
4answers
2k views

Could a plant be engineered to live in a vacuum?

Could an artificial plant species be designed and created that lives in a vacuum - for example on the surface of our moon? The main problems I can see immediately would be the lack of an atmosphere ...
8
votes
9answers
1k 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 ...

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