Questions tagged [flora]

For questions related to plants and vegetation in general.

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15
votes
20answers
4k views

How to colonize this planet?

About 39 light years away is a lush, biodiverse planet, called Leena. It is the fourth planet from a yellow star. The planet is a prime target for human colonization, as probe bots have discovered ...
8
votes
2answers
890 views

Could Gymnosperms Develop Fruits and Flowers Like Angiosperms?

Here is the scenario: A Paleo/Mesozoic mass extinction wiped out 96% of all terrestrial species, and the only plants that survived were as follows: One genus of conifer One genus of cycad One genus ...
5
votes
3answers
622 views

Would plants on a planet orbiting a star like ours, have any different color?

So I'm currently designing an alien habitable planet that orbits a star similar to our Sun. Assuming that the composition of the planet's atmosphere, as well as its pressure, are similar to the ones ...
0
votes
0answers
72 views

How long would it take a town to become overgrown? [duplicate]

So in my imaginary world, in the mid-to-late 2000s a lot of people die off. The reasons for this are unimportant, so I won't include them, but it has no impact on plant and animal life. So, ...
6
votes
1answer
159 views

What tree type grows into the most dense forests?

"Tree" is (apparently) not a very well defined term as far as scientific classifications are concerned, so I'll put my own restrictions on it for this question: Typical healthy adult specimens must ...
4
votes
2answers
156 views

Could fruit (specifically oranges) evolve into intelligent life? [closed]

Is it possible for oranges to become intelligent life while still retaining some of their essential qualities such as skin that can neatly be peeled off and reproduction through seeds and growth off ...
6
votes
6answers
2k views

What could cause trees to grow large, hollow bulges about halfway up their trunks?

I'd like to have a forest with trees that are "normal" except that as they grow a big, hollow bulge forms in their trunks about halfway up, giving them a shape something like this, with a relatively ...
6
votes
3answers
216 views

How would a world evolve with regular blizzards? [closed]

Imagine there are severe magical blizzards coming from the south pole at regular intervals. Since they're magical, let's assume they can cross the equator and don't lose strength over time. They are ...
1
vote
0answers
69 views

What would plant life on 55 Cancri e be like? [closed]

55 Cancri e is an actual exoplanet which should be around twice the size of Earth so it would be high gravity. It also is thought to be a carbon planet, meaning the role silicate takes on our world ...
7
votes
3answers
227 views

Can black algae promote a global warming on a cold planet?

My world is at the outer edge of the habitable zone. There is enough heat and geological activity to start life, but a snowball earth is looming and threatens to freeze it all. There is some spring ...
4
votes
2answers
626 views

What do humans have that plants need?

Among other things humans are fertiliser. Orcs are capturing humans as slave labor and fertiliser. What do human bodies produce/store that plants need to grow?
5
votes
4answers
231 views

How can Mars have life but still be “The Red Planet”

Building on this question "Discovery of life on Mars" Mars is habitable (40% the mass of Earth, 6.06 m/s² gravity, escape velocity of 7.88 km/s, a satellite big enough to stabilize its axis and has ...
4
votes
3answers
279 views

Could a Tree grow around a humanoid being?

So, let’s say a group of survivors tie an immortal being to a young tree sapling. The immortal does not need food, nor water, so can survive indefinitely. After about 100 years, could that young ...
7
votes
4answers
718 views

Why should astronauts grow and eat Caulerpa taxifolia, the world's biggest single-celled organism?

Caulerpa taxifolia, an algae species popular with aquarium owners, is the largest single-celled organism known to us as of today. It is notable for being able to regenerate from any part of the body ...
11
votes
3answers
2k views

Can a gorse plant be used as a source of food?

I have a fantasy kingdom set up where the landscape is mostly mountainous with rock and pine forests, like the picture below. As such, it is quite difficult to have agriculture. One plant which can ...
4
votes
3answers
259 views

Building a Realistic Food Web

So far, I've begun developing a food web for a swampy biome. Currently, the result of this free building is shown in the mess below (built = orange, aquatic = blue, producer = green, not built yet = ...
4
votes
2answers
183 views

How would plants evolve with longer days?

(First post on StackExchange, hello world!) The project that I'm currently working on involves a Binary Planet system, both with life, although I'm only focusing on one. This planet has a climate ...
6
votes
2answers
130 views

Maximum realistic salinity level with thriving aquatic environment?

I'm trying to create a planet which environment is not immediately lethal to humans, (reasonable oxygen level) however after closer inspection turns out not to be specially Earth-like. One issues is ...
3
votes
4answers
610 views

Could a new species wipe out the rest of an established ecosystem?

I'm not asking about an exotic species in the modern world we know all too well the havoc that can be caused by the introduction of an alien species into an existing ecosystem. I want to know if a ...
4
votes
3answers
180 views

A Planet with No Animals

Assuming that an Earth analog was inhabited by both plants and animals like our Earth. Could the non-animal life on the planet survive the absence of animals (excluding sponges and corals) on the ...
-1
votes
3answers
109 views

The Stone-age Limbo People - How do they hunt wild boar?

The Limbo People (who are hominids with intelligence somewhere between chimpanzees and humans) have long survived by hunting wild boar. They use spears with wooden hafts and flint tips. They are a ...
1
vote
5answers
140 views

What Plants To Grow In Space? [duplicate]

Plants are quite useful to the intrepid space colonist, in addition to providing food, plants also help reduce life support burden and psychological stress by adding a splash of green to all those ...
0
votes
1answer
91 views

Floating Ocean Vegetation

I have several types of free-floating vegetation to pick from: Trees Reeds/grasses Lily Pad like-plants Which type would best survive in the open ocean supporting small pockets of creatures, since ...
6
votes
4answers
341 views

Cave/Subterranean Lighting

I have a cave that is ravine like and stretches approximately one kilometer down into the Earth. Let's assume that the cave has a clear, crystalline roof allowing some light in. Is there any sort of ...
6
votes
3answers
106 views

Botanical Barricades

I have a clonal colony of trees that are around 150 meters in height and live in a wetland habitat. These trees cover the majority of the wetland area, covering thousands of square miles. What ...
5
votes
3answers
800 views

How long would life on Earth survive without any animals?

In my story, all the fauna in the planet (basically Earth) has been instantly killed, leaving only flora and fungi. How long will it take before the effects start to show, and how long until all the ...
7
votes
3answers
3k views

Could a human-plant hybrid exist?

Is it theoretically possible to genetically alter humans so that they could live off solar energy like plants? What biological and physiological changes would have to be made?
0
votes
1answer
116 views

What poisons could have been hidden in food or drink used in the early 1700's? [closed]

I'm writing a character who has to kill her children by poisoning. I just need something they wouldn't have tasted. It doesn't matter if it kills them fast or slow (either will work). Back then ...
5
votes
2answers
150 views

Do these plants make sense in the way I want them to establish in my world?

(Beforehand I'll excuse myself for my english. If you didn't need to know that you can just ignore it) There's a network of root-like life forms in the top layers of my planet. They use some kind of ...
13
votes
2answers
764 views

Anatomically Correct: Space Plankton

This creature was void-born in the farthest depths of time in this Universe. Drawing its energy from electromagnetic radiation, and sealed against the vacuum of space, this drifting creature ...
8
votes
2answers
622 views

What factors determine the type (shape/color/consistency) of fruit?

I am creating a fantasy world on a planet entirely separate from our own. Since it is a different world, it makes sense that the food there would be different as well. Some of our fruit is similar. ...
25
votes
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 ...
4
votes
4answers
301 views

Purple plants on a planet orbiting a green star?

Before I continue, yes, green stars don't really exist visually. Although stars like the Sun are green stars, they appear white (and are known as yellow dwarfs) because it doesn't only emit green ...
7
votes
1answer
652 views

Can fiber optic cables be used to pipe sunlight into an underground bunker for growing plants?

One major problem with living underground is you lose all of that wonderful energy provided by the sun. This energy is useful for many things including growing plants for food. A window is effectively ...
4
votes
2answers
157 views

Compass on a Ringed, Earth-like Planet

Is it necessarily a given that a compass (as they magnetically function on Earth) could be made to function similarly on an alternate, Earth-like, ringed planet? Another way of asking: is it feasible ...
2
votes
4answers
251 views

What would the color of flora on a Rogue Planet be?

Question in the title. A Rogue planet is a sunless world that exists in interstellar space. It might be possible for life to develop on one, but what happens when that happens? I've seen people say ...
26
votes
14answers
10k views

How to kill trees?

In a world where magic energy and life-force are compatible if not equivalent forces, woodcutting can be a problem in regions with high magic potential. If a woodcutter fells a tree and leaves it, it ...
18
votes
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 ...
2
votes
1answer
75 views

Anaerobic Fungal or Plant life

The Dark Warlock Susie has heard of a cave system with a lethal density of argon that is protecting a burgeoning monster population. In the interest of beefing up her security, Susie wants to recreate ...
4
votes
5answers
435 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 ...
1
vote
1answer
66 views

Food crops for a planet with short year

Kjør bestillingen 92 umiddelbart. Frøhvelvet skal åpnes, skyttelbussen skal tilberedes. (Execute Order 92 immediately; the seed vault is to be opened, the shuttle prepared)    &...
4
votes
1answer
321 views

Mega-Dandelion Seed Size

How large, referring to weight, could a Dandelion seed become before the wind was no longer able to carry them away? Assume the physiology of both the seed and plant remain the same besides being ...
6
votes
6answers
714 views

Producing oxygen without plants

Obviously, current oxygen levels should last us years, so we are talking about a long-term solution. Also, in this hypothetical scenario, plants have stopped releasing oxygen but haven't stop ...
5
votes
4answers
302 views

Bio luminescent fruit?

The setting for my story is a very foggy and windy place. There is a plant that grows on relatively short trees that needs to attract animals to spread its seeds, which are inside its fruit. Because ...
9
votes
5answers
2k views

Exploding fruit mechanism

I'm designing an alien tree species that produces small purple fruits at the edge of its braches. Now a few seconds after one of these fruits falls from the tree it makes a small explosion so that its ...
5
votes
5answers
425 views

How would plants survive an extremely long, cold night

On my planet, the whole day lasts nine years. The day lasts 4.5 years of incredible heat, with glaciers from the night providing water. The night starts with the sunset, during which violent tornadoes ...
0
votes
3answers
133 views

Human Survival on Alien Flora/Fauna [duplicate]

Allow me to pose yet another hypothetical. Your spaceship has crash-landed on an earth-like planet. The air is breathable. The gravity is a bearable 1.2 g. The planet is teeming with fauna and ...
11
votes
6answers
2k views

Materials in a tidal water world

I'm trying to create a people that live on this rolling tide (see previous question or on 'millers planet') but I haven't figured out where they would get wood to build their boats/homes. If the tide ...
5
votes
1answer
439 views

What if animals evolved from fungi?

So in my book series, there is this planet called Axaca. However, it is very different from most of the galaxy in that its flora is almost completely fungal. Here are some things to know: Trees are ...
7
votes
1answer
148 views

Anatomically Correct Tiberium - Part 1 (Mineral Leaching)

In the Command & Conquer series of games, there is a mythical 'plant' life called Tiberium. It ends up being of alien origin through the course of the games, but its role in the game is as a ...