Questions tagged [flora]

For questions related to plants and vegetation in general.

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The absolute limits of photosynthesis

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 ...
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  • 534
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 ...
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  • 83
2 votes
1 answer
150 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. ...
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17 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 ...
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  • 8,985
18 votes
12 answers
3k 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 ...
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  • 321
4 votes
4 answers
439 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 ...
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1 vote
2 answers
134 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 ...
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5 votes
5 answers
166 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, ...
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2 votes
1 answer
68 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 ...
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4 votes
4 answers
150 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 ...
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  • 347
1 vote
3 answers
189 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 ...
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  • 302
6 votes
3 answers
703 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 ...
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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 ...
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0 votes
0 answers
51 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
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12 votes
4 answers
926 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 ...
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5 votes
2 answers
274 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 ...
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3 votes
1 answer
162 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 ...
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  • 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 ...
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7 votes
4 answers
744 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 ...
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  • 1,136
3 votes
3 answers
248 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 ...
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  • 5,947
9 votes
3 answers
300 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 ...
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  • 4,055
5 votes
2 answers
135 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 ...
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9 votes
10 answers
857 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 ...
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  • 497
3 votes
1 answer
120 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 ...
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  • 5,947
3 votes
2 answers
208 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 ...
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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 ...
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  • 201
5 votes
3 answers
119 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 ...
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  • 242k
4 votes
1 answer
145 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 ...
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2 votes
2 answers
142 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 ...
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0 votes
1 answer
103 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 ...
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4 votes
3 answers
191 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 ...
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  • 2,193
4 votes
1 answer
129 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 ...
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1 vote
3 answers
122 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 ...
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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 ...
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  • 352
4 votes
2 answers
128 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 ...
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  • 4,417
3 votes
1 answer
45 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 ...
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  • 139
7 votes
4 answers
193 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, ...
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  • 4,417
5 votes
4 answers
330 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 ...
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  • 2,041
0 votes
1 answer
113 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 ...
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  • 1,201
2 votes
0 answers
28 views

what kind of star would a planet need to sustain blue and pink flora and what effect would it have on ocean color? [duplicate]

The ecosystem on this planet, which I call Crilorix is thriving and I was hoping I can make the flora on the surface blue and pink? such as having blue leaves and pink bark on most trees and such, so ...
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11 votes
6 answers
2k views

Could a plant capture a person?

Could a plant, with the right adaptations, have the right speed and strength to capture an unprepared human without harming them? The plants would be bound by real rules of biology, and couldn't use ...
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  • 12.1k
4 votes
1 answer
121 views

Giant realistic Prototaxites like fungi in a hot climate

My planet is very similar to earth around 359 to 299 million years ago. years ago. It’s mostly covered in deserts, jungles, swamps, temperate forests, and their variants. (The Carboniferous period) ...
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5 votes
4 answers
605 views

Predatory plants on a seeded world

I imagined that in the far future, humanity has become space-faring and is running experiments with seeded worlds. One of these planets would be an earth-sized moon with almost identical atmosphere to ...
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1 vote
0 answers
91 views

What would happen if the wind stopped blowing? [closed]

Assuming that the wind stopped blowing suddenly, regardless of the mechanisms involved that cause the wind to blow, how would it affect the world, with a specific focus on nature? I can imagine that ...
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2 votes
3 answers
129 views

can a planet be in the habitable zone of a blue star be the best option or a star that gives off more blue light

My planet originally was in a system with a blue star, but I think they are unstable and so it's not the best. So what type of stars give off more blue light in order for plants to be yellow or blue. ...
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-3 votes
2 answers
108 views

how do plants evolve to eat creatures

I have a idea for a plant on my world Chlorea. It is inspired by Venus fly traps and the plant that smells like rotten meat that attract bugs, but I want to know why and how did they evolve this way ...
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1 vote
1 answer
85 views

Concerning Earth plants on an alien world, how much "sunlight" would "too much" and "too little" be compared to our sunlight?

In a binary system of artificially immortal stars, each one orbited by a ring of mirrors, a whole line of Earthlike planets orbits the binary within its habitable zone, from 400 to 800 AUs. While ...
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4 votes
3 answers
1k views

Can a plant or alien plant have fruit and shoot seeds as well?

On my planet Chlorea there are desserts and in them is a tree-like plant. During the dry season nothing really happens; the plant saves water, they lose leaves to save water etc. But in the wet season ...
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4 votes
2 answers
136 views

How would Blue/Yellow colored plants change during different weather seasons

My planet basically revolves around a blue star or a star that gives off more blue wavelengths, and the color of the plants are either blue or yellow or both because they are trying to absorb the most ...
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3 votes
3 answers
165 views

Could floating trees lead to floating islands?

Trees with their roots and everything basically hold on to a section of land(dirt/stone/whatever) if one thinks about it. A certain species of tree has fibrous roots and a poisonous, flexible, vine-...
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