Questions tagged [botany]

The study of plants and plant life.

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4 views

Salinity tolerance in different plant species

Can you provide some examples of plants that come from the same genus/family but different species have different salinity tolerance levels?
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1answer
60 views

What will happen if one keeps the photosynthesis plant active 24x7?

While reading this article online something said on it made me wonder. Also, there have been suggestions and a Dawn / Dusk type of ramp up and down to simulate the slow changes in the sun have value, ...
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Can almost all plant derivatives be produced with genetic engineering using fungi/bacteria?

I saw a Thought Emporium video where they produced spider silk by genetically modifying yeast. I have also read about companies making vanillin (vanilla flavour) using this technique. I am now curious ...
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Why is movement of water through cell walls considered the apoplast and symplast pathway?

Why would the movement of water through cell walls be considered the apoplast and symplast pathway? I understand why it's considered the apoplast pathway (as the water is moving through a non-living ...
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Trying to identify a plant with pain-killing properties from northern Vietnam

My mother-in-law uses this plant to alleviate her pain caused by a severe case of spondylitis. This is a plant used in traditional medicine in her village near Hanoi, Vietnam. She doesn't know the ...
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What wide ranging outcomes would result from the extinction of a species? [closed]

I have been searching for a reasonable explanation of preservation of endangered species, and the search continues still. Apart from few redundant examples like bees or birds/animals taking part in ...
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1answer
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Dissection techniques for fruits and seeds

I'm doing some amateur botany, and I was keying some plants in the Brassicaceae (Cruciferae) family, which requires detailed information about the seeds of the plant. My question is, in a seed, how ...
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1answer
29 views

Why do cells in meristematic tissues lack vacuoles?

Cells located in meristematic cells in plants lack vacuoles. However, this contradicts with the fact that plant cells have large vacuoles to store water and keep the plant in an upright position. I ...
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1answer
81 views

What is the mechanism by which seeds stay alive while in storage? [closed]

I know folks who store seeds for months and sometimes a year before planting them. What is the mechanism by which they stay alive? Also some associated questions: How do the cells in the seed stay ...
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Of Autogamy, Geitonogamy and Xenogamy

Ok, so I know whats the difference between the three terms in botany. Autogamy is pollination within the same flower, Geitonogamy is pollination from the anther of one flower to the stigma of another ...
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Garden weed identification

I'd like to identify this weed found in a garden in northern England at this time of year (March). It reproduces using underground roots rather than flowers - so if you dig it up and leave any behind ...
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Are there any epiphytic plants that pull water from the air and supply terrestrial plants with excess?

Do you know of any epiphytic plants that pull water from the air and supply the excess to other terrestrial plants?
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Difference in rose seedlings with red or green seed leaves

I tried to sowing roses from rose hips the first time. (In autumn I collected some rose hips random from different bushes in the neighborhood. I mixed the seeds while sowing.) Now the seedlings grow ...
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116 views

What is this Patagonian biome?

This image was taken in Patagonia, near the Torres Del Paine National Park. What type of biome this is? There are trees and other vegetation, but they seem mostly dried. I think this is either a semi-...
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If you only ate fruits, vegetables or smoothies would you be able to skip drinking water?

If you only ate fruits, vegetables or smoothies would you be able to skip drinking water? I do not see some animals (like squirrels) drinking water daily (doesn't mean they don't have a water source) ...
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1answer
36 views

Can I imbibe seeds before sterilization?

For an experiment I want to germinate lettuce seeds. For logistical reasons it would be convenient to imbibe the seeds by placing them in the cold for 2 days, afterwards I would sterilize the seeds ...
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1answer
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How do plants prevent infection from retroviruses? [duplicate]

Why are plants not affected by animal viruses such as retroviruses? What prevents them from being infected?
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1answer
84 views

A word that includes plants and fungi, but not animals [closed]

Hello biologists and biology enthusiasts! I am working on a project which includes information about plants and fungi. It would be very helpful for me if there a word that means plants-and-fungi, but ...
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2answers
80 views

CAM Photosynthesis Oxygen Generation?

I've been looking into CAM plants - notably the snake plant which is native to West Africa. Upon researching the CAM photosynthesis cycle, I've found it fascinating that the plant stores CO2 at night ...
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2answers
29 views

Hybrid seed production requires a male sterile parent. Why?

Hybridization is the process of crossing two plant species or varieties. In this case, two varieties of plants. In plant breeding, crossing is a very useful technique to improve the features of the ...
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1answer
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Can someone identify this tree in Playa Del Carmen, Quintana Roo, Mexico?

I just noticed this tree in Playa del Carmen in Yucatan. It was swarming with bats, the bat seem to be eating either the fruit or the flowers of the tree. Any idea what it is?
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After removing the stigma from a flower, specifically the Crocus flower, does it eventually grow back or does the plant die?

After removing the stigma from a flower, specifically the Crocus flower, does it eventually grow back or does the plant die? The reason why I am asking is I am trying to find a way to mass produce ...
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Tree identification in the Caribbean

I live in Puerto Rico and I'm trying to identify this tree and if possible how to kill it since it is infested with termites. https://imgur.com/gallery/Xbmq0g8 Tree Closer view of flowers and leaves. ...
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What is the minimum water consumption for Arabidopsis and other plants?

I'm working on a project to design a self-contained plant growth environment for germinating and growing plants in space. It's important to know the absolute minimum amount of water and nutrients ...
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Osmotic pressure and turgor pressure details

I am a high school student and I am very confused in how we define osmotic pressure? Osmotic pressure is defined as the pressure required to stop the diffusion of solvent into a solution by applying ...
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1answer
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Plasmolysis and turgor pressures

I am a high school student and I am a little confused in plasmolysis, when we study plasmolysis, we say that at limiting plasmolysis, the turgor pressure OR pressure potential reduces to 0 what do we ...
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1answer
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Does anybody know what kind of tree is this?

I saw this tree yesterday and I liked it. It is around 1.5 m. I did some search on internet and thought it might be Holly, but I'm not an expert on trees. So I wanted to ask you, does anyone know what ...
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Does every ovule undergo fertilization at the same time?

After fertilization ovary becomes the fruit and ovules develop into seeds. Does this mean that all the ovules undergo fertilization at the same time?
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What is the use of having 3 antipodal cells and 2 synergids?

The embryo sac which is developed from functional megaspore contains 8 nuclei.2 polar nuclei and egg fuses with sperms.3 antipodal cells and 2 synergids degenerate after fertilization.Then what is the ...
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Comparing maintenance energy costs of plant biomass vs bacterial biomass

Im interested if anyone has an idea if this research has been done or how you would approach it. What is the energetic maintenance cost of (e.g) 2kg of some given bacterial cells vs 2 kg of a plant (...
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1answer
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Spontaneous generation of fruit flies

I live in the South of England. It is currently winter. Whenever I buy bananas, even one, if I leave the discarded banana peel in my kitchen, within hours or even minutes, there is a cloud of little ...
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In plant species' description, does the leaf length include the lamina and petiole, or only the lamina?

The description (partially pasted below) of Ramosmania rodriguesii in Verdcourt (1996) states that the leaves are up to 30 cm long. Does this length include both the lamina and petiole, or only the ...
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1answer
35 views

How do the High-Energy Electrons During Chemiosmosis Come from Water?

On Pg. 199 of Campbell, this is stated. Both* work by way of chemiosmosis, but in chloro- plasts, the high-energy electrons dropped down the transport chain come from water, while in mitochondria, ...
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When the leaf length ranges are given in a plant species' description, what do the numbers in parentheses represent?

Referring to a plant species, a paper I am reading (see citation below) says: "Blades are 4–5(6) mm long and (0.5)1–1.5 mm broad." I understand the numbers 4-5 and 1-1.5 would be the ranges, ...
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258 views

Do fish depend on plants for survival?

As far as I know, all land life depends on plants for survival. Plants convert sunlight to energy using photosynthesis, herbivores consume plants, and carnivores consume herbivores. All the energy is ...
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Red flowering climber ID

Here's another climber from the same garden in Araku Valley So what is this climber? Does it have any economical uses?
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1answer
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Tree identification

I went to Araku few days ago and saw this tree in a garden . Here are the leaves I know the pic of fruits is a bit hazy and out of focus,but it's the best I have. These trees were in a cluster ,...
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1answer
72 views

Sextuplet corn (Zea mays with branched ear)

In 2019 I planted some sweet corn next to some Hopi blue flint type corn. Of course my mistake was apparent once I started to see the ears. The closer the two types were to each other, the more they ...
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Does the apical bud grow back after being removed?

My question pertains to the apical bud which asserts apical dominance in plants. After it is removed, apical dominance is lifted, what happens to that part of the shoot after that? Does it stop ...
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108 views

Plants with nutritional requirements similar to Cannabis

What are some short plants that preferably could be grown indoor which have similar nutritional requirements (in terms of N-P-K ratio, doses etc.) as Cannabis? The purpose of this is testing a mineral ...
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Transgenic plants with multiple genes?

I have in mind, as a hypothetical project, to generate a transgenic plant capable of synthesizing vitamin B12. This could be consumed by vegans, for instance, as an alternative to B12 supplements or ...
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1answer
73 views

Unknown plant, please help me identify it

Years ago I was into keeping tropical fruit trees/bushes indoors. One of them didn't do well under my care so I planted it outside to enjoy the final year before European winter gets it. It somehow ...
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1answer
76 views

What are these structures inside a cut open Allamanda blanchetti?

As suggested by @tyersome in my previous question on the same topic which I posted yesterday, I have cut open few flowers of Allamanda blanchetti in order to observe if any reproductive structures ...
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1answer
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Allamanda blanchetti fertilization mechanism

Here is an Allamanda blanchetti flower in my garden. My question is based on the observation that the flower seems to be devoid of any reproductive structures, i.e., Stamen or Carpel, so how does it ...
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31 views

How do plants that reproduce with artificial vegetative propagation grow in nature?

How do plants that grow with artificial vegetative propagation grow in nature? Will they go extinct if humans stop intervening? e.g., Rose
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Help identifying a part of a flower

I researched about floral diagrams and this is what I found:- This is floral diagram of Theobroma cacao. I managed to identify others but this part near the stamens was not found anywhere. Also the ...
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Biochemical Mechanism behind red hibiscus flower on a cream hibiscus plant

I have two 3-4 yrs old cream hibiscus shrubs in my garden. The shrubs seemed normal enough, giving cream colored petals with a red center. But soon I noticed that there are specific branches, which ...
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Explanation of why more Ca2+ ions causes longer root length in plants

This is for an experiment to test for mineral ion availabity in plants. So if there is more Calcium ions in the soil, there would be an increase in the length of the root of the plant that is being ...
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69 views

Visual Quality Indicators for Soil and Plants

I would like to know what are the visual indicators that can be used to determining the quality of the soil and plants by looking at the in-situ photos? Can the following quality indicators be ...
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1answer
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What is this plant, and should the lowermost leaves be curling up?

We've got a couple of these plants but have no idea how to look after them. Watering them regularly (every 2-3 days, or when the soil seems dry) seems to help. The pot rims are about a foot at their ...

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