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Questions tagged [flora]

For questions related to plants and vegetation in general.

8
votes
3answers
159 views

Symbiotic Assassin Vines

I have an idea for an encounter in my world that goes like this... A weary group of adventurers are trekking through a great ancient forest. This forest is avoided by most due to strange tales of ...
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
150 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
37 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
185 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 ...
5
votes
4answers
205 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 ...
6
votes
4answers
573 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 ...
4
votes
3answers
233 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 ...
10
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
161 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 = ...
7
votes
2answers
88 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 ...
4
votes
2answers
136 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 ...
29
votes
8answers
4k views

How would trees communicate?

An alternate world is populated by mainly intelligent trees and other plants. These plants are almost exactly the same, biologically, as Earth's plants. The world's climate and geology are very ...
4
votes
3answers
144 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 ...
-2
votes
3answers
92 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 ...
0
votes
1answer
59 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 ...
1
vote
5answers
116 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 ...
6
votes
4answers
309 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
103 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 ...
0
votes
1answer
81 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
134 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
636 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 ...
4
votes
4answers
221 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
233 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
142 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
1answer
61 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 ...
3
votes
4answers
588 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 ...
1
vote
1answer
60 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
136 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
393 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 ...
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 ...
0
votes
3answers
96 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
282 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
127 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 ...
4
votes
1answer
127 views

How tall could bamboo grow

How tall could a bamboo-like (i.e hollow with nodes) tree be ? It should be at very least 1.5m of diameter and walls no more than 20cm thick. The internodes should be 2 to 5 meter long. I think it ...
8
votes
4answers
370 views

How would flora be affected by longer night than day cycle?

Night/Day Cycle I'm trying to make a fantasy world with a longer night cycle than day. With the advice of Renan, 12 hours of proper night, 4 hours of near/partial dark and 8 hours of good light. ...
6
votes
3answers
231 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, ...
2
votes
1answer
105 views

What would happen if all (higher) life magically became sentient and reached human-level intelligence? [closed]

Overnight, all higher life, multicellular life forms from trees and grass to dogs and elephants reached a level of intelligence similar to that of humans. For example, they can communicate effectively,...
7
votes
6answers
240 views

Plausibility Check: Kite Trees?

Disclaimer: This question, unlike my other tree related question, was brought about by pure whimsical daydreaming. I also threw the term "evolve" around a lot, I should clarify that what I asking is ...
9
votes
2answers
161 views

Plausibility Check: Territorial Trees?

Background In case you haven't heard: there are places in the Amazonian Jungle called Devil's Gardens. The gardens are large swaths of land composed of almost entirely one single tree the Duroia ...
7
votes
4answers
154 views

Are Extraterrestrial's pagoda trees plausible?

In the National Geographic mini-series Extraterrestrial or Alien Worlds, they featured a hypothetical gas giant moon called the Blue Moon. The Blue Moon orbits a binary star, has a very dense ...
15
votes
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 ...
3
votes
1answer
128 views

Plant-Animal reproduction

I'm designing an Anthropomorphic Lu-pine. (Get it? Cuz it's technically a tree, but it looks like a werewolf.) They are mobile, omnivorous plants, slightly larger than the average person. They are ...
11
votes
7answers
369 views

Could a plant vocalise and how?

If given a reason to develop such a process, such as attracting prey or scaring away threats or even making recognisable patterns to 'talk' to humans, what is the most likely way they would do this? ...
1
vote
0answers
89 views

A huge desert full of green sand, seated on a plateau, is steadily drained into the nearby lowlands. What happens to the environment? [closed]

I have a large plateau, and roughly in the center are mile-high cliffs surrounding a valley. Inside the valley is a green sandy desert. The sand is composed of olivine. Unfortunately for the ...
2
votes
1answer
157 views

Viability of animal plant? (Energy calculation)

I'm trying to design a humanoid or anthropomorphic organism that would be classified as a plant. The main argument people mention is that it wouldn't be able to produce enough energy to survive. I've ...
5
votes
3answers
106 views

How relevant is new genetic diversity for plant/animal populations badly bottlenecked several centuries ago?

Scenario: A major ecological disaster occurred five hundred years ago, in which large numbers of species (including almost all wild fauna) went extinct. Assume that the environment both before and ...
6
votes
4answers
200 views

How long could an alien species survive at sea?

The species in question are Herbivores, bipedal in nature, around 50 to 80 pounds on average, and require around 2250 calories per day to stay healthy. The ships these populations would live on are ...
26
votes
11answers
5k views

Which plant species would be most likely to recover after a decade of no light?

Presume a decade of darkness, after a several months of steadily shortening daylight. Assume that the temperature and weather patterns remain (inexplicably) fairly unchanged. Ten years later, when ...