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Questions tagged [botany]

The study of plant life; e.g. angiosperms, gymnosperms, bryophytes, pteridophytes, and algae.

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What kind of ribes is this?

I have a plant in my USDA zone 5 garden that appears to be in the ribes genus. Details: The location is east of Toronto (Ontario, Canada). The plant is currently flowering (today is May 18th, 2019)....
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Does there exists a database on plants resource consumption speed?

I got curious on the following problem: Suppose we put a plant in a pot, how fast does it depletes the nutrients in the pot? Is there a database on this? Is there a feasible way to measure it out of a ...
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Does the difference in the height of artificial lighting affects the height of the plants?

I have some plants living on artificial lighting. I've noticed the following in the following two plants of the same species: This one was grown with lamps very close to it (~10cm). This one ...
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66 views

What is this tree growing in my town?

Can anyone tell me what kind of tree this is? I took this picture today. It's in Iowa City, Iowa.
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31 views

Can two populations of the same species pollinate during different times?

My question comes from the Barron's SAT Subject Test Practice Test #1 question 2 It states: Two populations of rhododendron, R. ferrugineum, grow in the same region of Connecticut. Although ...
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Does anyone know what this purple plant is? (picture taken in Turkey)

Is anyone familiar with this plant species, picture taken in the Dalaman region of Turkey. It has large purple leaves.
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Which plant's part is this?

I found this plant in Rajasthan, India. This sample is 4-5 cm long. This is an ornamental plant. It was a potted plant. I put my fingertip in the photo to give an idea of size of the specimen. I can't ...
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Murraya koenigii (Curry leaf plant) root system [migrated]

I am planning to grow Curry leaf plant in my balcony space using a pot.I would like to know what kind of root system this plant has. I mean to ask is it straight deep inside soil or more branched one? ...
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What is the scientific name of this plant that is possibly called ogre ears?

I already did a reverse image search and came up with "ogre ears" as a name for this plant. However, this name is associated with other plants: Crassula argentea and Crassula ovata. What is the ...
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Growth on raspberry cane: What is it?

I have raspberries growing in my garden. One of the raspberry canes has some sort of growth on it. Size: Approximately 2 inches long Location: Zone 5; east of Toronto, Ontario, Canada Date: April 4, ...
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Plant identification and toxicity

What type of plant this is and is it poisonous (and, if so, in what quantities)? The pictures were taken at Gullane Bay, Scotland. The plant is widely present in that region.
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How many nutrients do trees process daily?

Is this tree fact below that I have found on social media sites true? I don't know the source of the quote. It's pretty amazing. I'll be glad if someone can provide the source too! Natural Wonders ...
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Do violet potatoes contain more or less solanine than normal potatoes?

What is the solanine content of the violet potatoes? Is it more or less than in the normal potatoes?
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59 views

Can anybody identify this kind of plant?

Location: Low Tatras, Slovakia, elevation: 1800 m. Can anybody identify this plant from Slovakia mountains?
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780 views

Identify This Plant (Flower)

I just bought this plant from flower shop, after it flowered it was very beautiful red flower, can anyone tell me what is this flower?
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The correlation between a leaf's age and its length in the initial stage of growth [closed]

I am building a machine learning algorithm which predicts the age of a leaf before its maturity period based on its measured length or area. I would like to know whether there is a mathematical ...
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35 views

How can I learn biology by myself? [duplicate]

I am only 15 years old,and my primary school education hasn't been that good,also I forgot a lot of things. I would like to start again,and I am asking for your advice. What are some of the good ...
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1answer
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Is a flower having 12 petals trimerous or tetramerous?

Suppose if a flower has 12 petals. Then 12 is a multiple of both 3 and 4. So which category of flower is it? Is it trimerous or tetramerous?
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What species of tree is this (found in Navarre, Spain, many tiny flowers)?

It was planted within the urban area of Pamplona, Navarre, in Spain. It does not seem like it's native to the area, since no trees like it are found in nearby forests. Its size is of 7-9 meters, while ...
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Identify this plant from Bangladesh

It's bearing fruits near it's base which seems pretty unusual. Location: Risang Waterfall, Khagrachhari, Bangladesh
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How long can cytoplasmic streaming be in an isolated leaf?

Here is an interesting video demonstrating the effect of cytoplasmic streaming: cytoplasmic_streaming of a leaf We see the leaf has been isolated from its original body. I wonder how long can this ...
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25 views

Is Wikipedia a good source of taxonomy? [duplicate]

I have been quite interested in biology lately,and I would like to know whether it is a good choice to look up taxonomic information there.
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Near-zero water loss in a closed hydroponics system?

I know there are a lot of factors that would impact this... Plant type. Plant neediness (i.e., even sibling plants will possess different needs, defects, etc). Automation efficiency. Water & ...
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59 views

What is this plant's scientific name?

This is the picture of a tree in my college's botanical garden. First I thought it to be a banana tree for its leaves but then seeing its lower part, I don't think it is a banana tree. So what is it'...
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What does banyan tree release from roots?

What happens when banyan tree roots pierce and joins in to the water in a river beside. Does banyan tree roots excrete any waste? If so, when will that happen night or morning ? What properties do ...
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How possible would it be for a tomatillo to cross-pollinate with a peruvian groundcherry?

I am high school student who is developing his final school project, I've decided to work on plant hybrids. I have researched some media and I have found that Tomatillo (Physalys philadelphica) and ...
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How does Liebig's law affect the growth of specific characteristics on a plant

I am familiar with the law of minimum, that is that the growth of the plant is dependent on the least available nutrient/resource. I visited a farm in which they purposefully shaded tabaco plants to ...
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What plant have I collected?

I have collected this plant from the soil in a park in Belgium. I thought it was a child of a plant which was growing nearby but when the leaves started to grow I realised it is a different plant. ...
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How do I efficiently develop a plant cultivar?

Or, perhaps: how do I develop a cultivar at all? First off, my knowledge and experience on the subject is close to nil. I've got a decent enough knowledge of gardening concepts, but have done ...
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Is the chemical composition of urine detrimental or beneficial for a tree?

Seeing as a lot of people around the world urinate against trees it came to mind that I never thought about how the tree responds to this. Is it detrimental for a tree if people urinate against them? ...
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What genes in a plant determine whether a stem is erect or climbing?

I was randomly reading this Wiki article on Jasmine and this question crossed my mind after reading the following lines: Jasmine can be either deciduous (leaves falling in autumn) or evergreen (...
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1answer
63 views

Branch taking over a tree trunk

I stumbled upon a birch growing in sandy soil in a coniferous forest in central Russia. It looks like over time the tree trunk got bent towards the trail and one of the branches became the new trunk ...
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Tillers and stolons in grasses

In many grasses, tillers develop roots at their nodes etc.. Those roots can hit the ground and subsequently anchor in the soil, so eventually the tillers end up like something that is very hard to ...
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181 views

Regulation of LBD33 genes Arabidopsis. If LBD 33 gene is up-regulated by auxin then why does expression decrease when increasing auxin concentration?

I have a question regarding the regulation of lateral boundary domain genes in Arabidopsis (specifically LBD33). I am an undergraduate student trying to understand the results of a lab where I measure ...
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'Terminal' and 'lateral' apical buds. Monopodial and sympodial branching

Macroscopically, it seems to me that the difference between 'lateral' apical buds and 'terminal' apical buds and monopodial and sympodial branching is often rather superficial, if not random. ...
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Why is xylem a tissue and not an organ?

My textbook "CGP AS-Level Biology Exam Board: Edexcel Complete Revision & Practice" says xylem is a tissue. Then I read from this website that "[Xylem's] major components include xylem parenchyma,...
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Do you know which is this small flower in Asturias?

Was located in the Turón valley on Mieres, Asturias, Spain (https://goo.gl/maps/BMwyfWtiSdw). Found it at 900 meters of altitude. The plant is just about 8 cm high maybe. All the ones I've found were ...
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Can you name this plant that likes shade on Asturias?

This was located in the Turón valley on Mieres, Asturias, Spain. Usually, I find this plant in shadowy, not too illuminated spots, although I'm not sure if that's important or simply coincidence. This ...
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Fruit identification - What is this green long fruit?

I found this fruit in the South of France, but I have no Idea what it is. It's a green, hard fruit. I tried to cut it to see the inside (on the following pictures). It fell from a big tree, but I don'...
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Do all cells of a plant contain chloroplasts? [closed]

If the answer is no, then how do plant cells tell whether they need to keep chloroplasts or not? What kind of signals are used, and how are chloroplasts eliminated?
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Why does the seed of the coconut tree have a liquid in it?

What is the purpose of water in the coconut seed? The reason I ask this is that I was reading about coconut water and all the benefits it has for us Humans. But why does the tree put a liquid in the ...
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Can someone help me to identify what kind of pear is this?

I went to my local groceries supermarket (in Lima, Peru) and found this cheerful looking pear named locally as "pera canela". But I found it weird as the only variety which I'm aware of is Packham's ...
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43 views

What is this plant that spontaneously sprouted in my balcony?

I have a big pot on my balcony that has inhabited many kinds of plants over the years. One spring I got to unexpected sprouts from seeds the size of an apple or orange seed. One survived and grew to ...
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Would there be any particular reason to choose strawberries for this DNA extraction tutorial?

The NileRed video What is DNA and what does it taste like? | Edible Chem shows the extraction of a surprisingly large amount of DNA from some strawberries. At 02:22 ...
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Is this a Loranthus Europaeus?

Location: Austria, Vienna Ottakringer Wald Date: Feb 8 I found something beneath a tree with epiphyta , which I thought to be Viscum album but is vividly yellow instead of white and I found no ...
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Biological Nitrogen Fixation

I just studied Biological Nitrogen Fixation and saw it's reaction but i do not understand why there is 8 electrons and 8 protons are involved and Hydrogen molecule is formed side by side along with ...
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Ploidy of Central cell in embroidery sac

In the unfertilized embryo sac in angiosperms, is the central cell considered to be haploid or diploid? though it has two polar nuclei but both of them are haploid, so I don't think it can be ...
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Can I change the genetics of a group of plants naturally?

I have been thinking about introducing all sorts of types to certain environments where the plants will have to adjust to survive. For example having a dark area with one light source right next to ...
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plant uptake of large molecules

I have read several studies concluding that plants can indeed take up molecules with a molecular weight largar than 390 g/mol. Does this mean plants do also take up large molecules like hormones if ...
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What is this strange flower which I found on an upheaval in Rhodes (Greece) in July?

It looks like it carries berries instead of blossoms. Is it actually a flower or rather a baby tree? I found it in a Google image search (see here: https://goo.gl/images/vfBDSP), but there was no ...