Questions tagged [flora]

For questions related to plants and vegetation in general.

Filter by
Sorted by
Tagged with
19 votes
8 answers
5k views

Could a pine forest with year-round snowfall survive?

I am trying to design an alien forest ecosystem. The forest looks like this (from Dreamstime.com): The relevant difference between the real-life Swedish forest pictured and mine is that my world ...
  • 1,802
10 votes
4 answers
1k views

Precipitation on a world where the entire ocean is covered by plants?

My very fancy planet, has a green blotch approximately the size of Africa on its surface, which looks like a forest from space but is actually the planet's ocean. A sea, which, over millions of years, ...
  • 9,712
3 votes
1 answer
99 views

What would a society with plant growing spells look like?

In a vaguely fantasy renaissance world threatened by monsters, certain reclusive tribal spellcasters follow religious traditions giving them nature based spells. Specifically one spell who's limits ...
4 votes
1 answer
284 views

Super hot tropical forest

Consider an Earth like world except much hotter with extremely hot and wet tropical rain forests. Assuming 100% humidity, how hot might the alternate Earth tropics get and still support tree like ...
  • 33.2k
1 vote
1 answer
76 views

Is Xanthophyll good at absorbing Light? or do i need another light wavelenght?

I want my alien planet to have yellow or orange-yellow plants. Is xanthophyll a good option for plants to absorb light, or do I need to make my sun give off More of a certain wavelength so they can be ...
2 votes
1 answer
201 views

How thick would a mattress made of flower heads need to be to stop a child falling down a 200-ft deep hole from getting seriously hurt? [closed]

How thick would a mattress made of flower heads need to be to stop a child falling down a 200-ft deep hole from getting seriously hurt? The child is 5 years old and of an average weight, the flowers ...
  • 183
8 votes
2 answers
145 views

Flora of Radiotroph-Dominated World

After the Great Nuclear Apocalypse, the skies clouded over with dust and the world froze. Expectedly, most plants died out, and were then replaced with radiotrophic fungi, originating from all sorts ...
  • 12.7k
0 votes
2 answers
100 views

Design of a piezoelectric tree to harness the wind? [duplicate]

I want the flora of my world to harness their energy from the wind. I ran across this design on DeviantArt that is very similar to my idea. Credit: jocarra How can this design be improved upon to ...
3 votes
1 answer
143 views

What kind of star would allow for red plant life? [duplicate]

I'm designing an alien world in which plantlife is mostly red. I've read that the type of star the planet orbits plays an important role to the plants' color (For example, worlds around M type stars ...
8 votes
3 answers
522 views

Viable alternatives to lignin and cellulose for cell walls and wood?

I want to design alien plants in which wood and cell walls are not made of the lignin/cellulose mixture wood and plant cell walls on Earth are made from, but I don't actually know what materials would ...
10 votes
8 answers
3k views

How would I modify a coffee plant to grow outside the tropics?

To give context, the setting I'm working on is one where advanced genetic engineering and biotechnology are plentiful. The premise is this, the coffee industry is dominated in the tropics by a cartel ...
3 votes
1 answer
212 views

The absolute limits of photosynthesis [closed]

I have found that some crops, like sugarcane, have a photosynthetic efficiency of 12%. Using extensive genetic modification and eliminating all natural barriers, like light wavelength, chloroplast ...
  • 545
8 votes
6 answers
3k views

Would a solar system with four earths directly opposite to each other have different flora?

This solar system contains four earths. These earths, however, are opposite from each other in relation to the sun and their moons are vastly different. Say the moons and earths produce the same ...
  • 183
3 votes
2 answers
252 views

Edible plants that can survive climate change while living in a desert where it's over 110 degrees...in the winter

Some folks I write about live in a series of mutually-supporting, mostly self-sustaining agricultural stations/colonies on the edge of a desert, and are attempting to turn said desert greener. ...
  • 10.3k
18 votes
7 answers
3k views

What challenges must oceanic plant life overcome in order to create a mat on top of the ocean?

The ocean of my very earth-like planet is covered in its entirety by vegetation, forming a kind of carpet on top of the water's surface. This free-floating halophyte is a superorganism formed by ...
  • 9,712
18 votes
12 answers
4k views

What would cause plants to survive on the ground while restricting animals to the air?

What would be the natural reason for the surface of a planet to be toxic or otherwise uninhabitable to animals but not plants? This planet is not Earth and life would have evolved this way from the ...
  • 321
4 votes
4 answers
453 views

Diversity of chemotrophic plants on a tidally locked world

In one of my stories there's a planet which is tidally locked to its red dwarf parent star, I imagine terrestrial life evolved on its twilight zone and then spread to its more extreme sides. Some ...
1 vote
2 answers
138 views

What about Photosynthesis which uses oxygen?

So for a project I'm working on I need plants which make the air around them toxic to Earth life. A way I had thought of to make this was to make the plants photynthesize with oxygen and release a gas ...
5 votes
5 answers
173 views

Can a Moon Shoot Spores?

I'm currently working on a world for a fantasy novel. For the sake of this discussion, we can assume it's low to no magic at all, and has no higher-intelligence interference, such as creator races, ...
2 votes
1 answer
72 views

How can plants spread to an extraterrestrial body without human assistance? [duplicate]

The plants can sense worsening ecological conditions in 2022. They need to germinate beyond planet earth. Assuming they can survive in space, germinate in extraterrestrial soil, and the like, how can ...
4 votes
4 answers
160 views

What colour is the foliage if the sky is yellowish? [duplicate]

I would like my planet to be inhabitable by many species and humanoids. It has a cold climate than earth. I'd like the sky to be an yellowish pale orange. Would that change the color of grass or ...
  • 347
1 vote
3 answers
214 views

How can a desert be converted into a lush rainforest with magic?

Assuming an elemental form of Magic that allows the mages to control fire, water, earth, and the wind itself (with some limited power to change states, like turning ice to steam and vice versa), as ...
  • 302
6 votes
3 answers
719 views

What are some alternatives to tannin in plant bark?

When creating the plant life on alien planets, photosynthetic pigments other than chlorophyll can be the predominant molecule to create foliage of colours other than green, as we see on earth but for ...
's user avatar
7 votes
4 answers
2k views

Can land plants absorb carbon dioxide into their leaves without the need for sunlight?

We all know by now that plants need light to absorb carbon dioxide--whether it be sunlight, moonlight or even artificial cave light. But what about total darkness, like a cave or a forest floor ...
  • 14.2k
0 votes
0 answers
59 views

How would the color of the sun effect the color of the plants [duplicate]

For example, what would plants look like under a red giant? something like that. thanks
  • 1
12 votes
4 answers
937 views

Nuclear Armageddon comes! Can Bob's plants survive?

Bob loves plants. More specifically, he loves terrariums. Bob's magnum opus is a large terrarium made from a 5-gallon glass water jug. Inside is a miniature ecosystem: plants grow, detritivores feed ...
5 votes
2 answers
284 views

Lava overgrown by plants

The problem: I want to have a volcanic island with an everlasting lava outflow completely overgrown by (jungle) plants. It therefore follows that plants should also grow above the lava. I know that ...
3 votes
1 answer
176 views

What is the altitude limit at which plants can grow on a low gravity planet?

(My Universe Sandbox Almost Terraformed Mars) How high can plants grow on a low gravity planet like Mars? Since lower gravity planets tend to have a greater height differences in terms of geography ...
  • 31
20 votes
17 answers
5k views

How can plants reliably intentionally poison those that eat their fruit?

For sake of metaphor, I want to include a plant that bears fruit that is poisonous, with the intent that when an animal eats it, it will walk away and die within a few hours, such that their corpse ...
7 votes
4 answers
787 views

Extreme cold resistant flora

My world has no axial tilt. Therefore instead of having seasons from axial tilt it gets its seasons from actually moving farther away from its parent star. In the mid latitudes the temperature ...
  • 1,144
4 votes
3 answers
273 views

Can this town gain ecological advantage from their limnic explosion region?

I want a war between two iron-age cultures, Town A and Town B, based on the "haves" and the "have nots" where they both exist in the same exact climate and geography, however, Town ...
  • 6,869
9 votes
3 answers
318 views

How tall can trees get if water transport limitations are bypassed?

The setting is Earth, millions of years in our future. In this setting a species of tree has made an evolutionary leap, allowing it to bypass the water transport constraints currently thought to be ...
  • 4,064
5 votes
2 answers
139 views

Is this sort of life cycle on a megamangrove feasible?

Point of departure--56 million years ago, in which the Paleocene-Eocene Thermal Maximum lasted three to four times longer than it did in our timeline. Today, on this alternate Earth, the twilight ...
  • 14.2k
9 votes
10 answers
886 views

How would a community of people living in densely packed treehouses receive food to their treehouse?

In my novel, the characters live in treehouses that are practically piled on top of one another, so there is little room to climb down to pick up food, and it would be a challenge trying to take it ...
  • 497
3 votes
1 answer
121 views

A dragon flash-heats a forest, how long does it take the forest to recover?

A closed-off dell ringed entirely by mountains is smothered in smoke at 900°F from a dragon. After suffocating the forest, a magical barrier seals them in. It is invisible but doesn't allow airflow ...
  • 6,869
3 votes
2 answers
222 views

How would iron and alkaline-rich soil affect plant life?

In one of the solar systems I've created for my fictional universe, there is a small planet within the habitable zone between the size of Mercury and Venus. It's an incredibly rocky planet, with high ...
10 votes
5 answers
3k views

Would it be possible for a pre-industrial society to construct islands?

I am envisioning a scenario in which, probably for reasons of persecution or overpopulation, a people would begin to construct islands in the sea. Each island would be fairly close to the others and ...
  • 201
5 votes
3 answers
163 views

A symbiotic bark beetle: how does it work?

In our world bark beetles can bring serious damages to forests which they infest, by killing the tree which they attack when they feed and breed between the bark and the wood of their host. I am ...
  • 249k
4 votes
1 answer
149 views

Could Cacti Become Suited for an Arctic Environment?

The arctic is, essentially, a cold desert. Dry, doesn't rain much, little to no vegetation, but cacti persist in desert environments. Could they adapt their skills in a hot desert to survive in a cold ...
2 votes
2 answers
157 views

How could a plant mimic sound?

The Context I am developing a tree, called a Wailing Willow, that in times of stress and famine would become predatory. A Wailing Willow can lure in its prey by mimicking the sounds of animals and ...
0 votes
1 answer
123 views

How would plants evolve into motile organisms? [closed]

I want to build a speculative future world where the majority of animals on Earth are gone and have been replaced by plants due to convergent evolution. I want to know how these creatures might evolve ...
's user avatar
4 votes
3 answers
195 views

Is this method of “burial” possible?

Now that colonization of Mars and The Moon is starting to pick up, lots more people will start dying. LifeHarbor Burials™ says that they will provide a way to dispose of the dead for free. They claim ...
  • 2,193
4 votes
1 answer
135 views

UBER-BAMBOOs: The Baobab Bamboo

I want a tall tree. But I also want a fat tree. And I want a fast tree. Now, tall and fast are covered by one plant that I have in mind: bamboo. Fat is covered by another: Baobabs. I want a tree/grass ...
1 vote
3 answers
125 views

What is fastest believable growth rate and reproduction cycle for a 150-300-meters-tall tree?

The trees in question are 150-300-meters-tall, 18 meters in diameter and have no branches except at the very top where each branch has a single leaf that takes up the whole branch. Its bark is thick ...
8 votes
3 answers
1k views

Would "empathetic" plants dominate over other plants?

I've been digging into some very interesting, related questions from the past (the one I found the most useful was this one) and I don't think anything covers my question. So if I missed it, please do ...
  • 352
4 votes
2 answers
138 views

How would using trees as sarcophagi affect the forest?

Long story short the people of the forest use trees to 'bury' their dead instead of actually burying them into the ground. They use plant-manipulation magic to accomplish this, making the tree open up ...
  • 5,255
3 votes
1 answer
49 views

Plants or something else that enriches distilled water

I'm writing a story in a world very similar to our Earth, but with few differences. In this world, the "human" beings have to deal with the shortage of drinkable water. But they have plenty ...
  • 139
7 votes
4 answers
201 views

Would grass still be able to thrive if it grew into being like green shards of glass?

There is a field of grass that is so green and fresh and untouched by the grazing of animals. Throughout the entire day it glistens in the sun as if it is still covered in the morning dew. But beware, ...
  • 5,255
5 votes
4 answers
341 views

How much would this alien parasite increase crop yields?

It is a bizarre prokaryotic flowering plant parasite which has graphene reinforced cell walls and is so distinct from all other organisms to warrant placement in its own domain of life (indeed it only ...
  • 2,081
0 votes
1 answer
138 views

Will nature after millennia create a temperate rain-forest in my structure?

I am making a weird space that can not exist in the real world. It is made up of bubbles made from an indestructible material. The material is smooth as steel plate on the inside. One can go from one ...
  • 1,609

1
2 3 4 5
11