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Questions tagged [botany]

The study of plants and plant life.

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0answers
11 views

Is this a Tabebuia impetiginosa – Pink Trumpet Tree Flower?

Is this a Tabebuia impetiginosa – Pink Trumpet Tree Flower? From Panama.
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15 views

Plant hybridization - cross clade cross pollination possibility

Is it possible for monocots, like dates, to cross-pollinate with eudicots, such as olives? What is the general rule for how closely related species must be to form hybrids organically?
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17 views

What are the standard bio-safety protocols for preparing plant pathology herbarium specimina?

What are the standard bio-safety protocols for preparing plant pathology herbarium specimina? I searched google but I did not found anything relevant, nor in my textbooks. I want to know about what ...
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59 views

Peculiar tree. Fake or no?

I found a very peculiar tree. It looked fake, but it really was true ... What tree is that? I live in the city of São Paulo, Brazil
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1answer
65 views

What kind of object is this?

I'm unsure whether to call it a fruit or a vegetable. I found it on the road in a neighborhood and decided to pick it up before a car squashed it. (Thus, my initial guess was a squash.)
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0answers
39 views

Folded stem on apples - does it have a name?

I have some Newton Wonder apple trees. One feature of the apples it bears is that the flesh around the stalk is occasionally elongated out of the calyx. Below is a picture that shows this on the near ...
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0answers
25 views

What is the identity of this plant?

Unknown Plant from a garden of Bangladesh
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1answer
32 views

Safety of Gorse flowers as vape flavoring [closed]

This may seem like an odd question, but bear with me. I'm wondering about whether I can vape dried Gorse (Ulex europaeus) flowers. Off hand I know they are edible and can be used in making wine and ...
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7 views

How to cure burns in perennial flowering plant's due to dose of excess urea? [migrated]

I had planted few stone apple plants(perrineal, flowering and mid summer fruiting trees) in plants. Due to insect larvae most of leaves were eaten. So I put in handsome amounts of Urea, Diammonium ...
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21 views

How are onions planted? [migrated]

From what I've read there seem to be two ways to plant onions - either put part of an onion in the ground, or leave one in the ground for two years and then plant the seed from the resulting flower. ...
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1answer
83 views

What is the genetic reason that this flower has petals of two different colors?

I have two different varieties of the flower, portulaca: one is bright pink, the other is pure white with pink specks at the centre. Recently a flower bloomed which had 50% of the former and 50% of ...
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19 views

How do I know by looking at the cross-section of a petiole that it is a photosynthetic organ?

Chloroplasts conduct photosynthesis, right? Would I be looking for chloroplasts in the leaf section? But I'm looking at this cross-section here: http://www.biologydiscussion.com/plant-anatomy/petioles/...
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1answer
36 views

What is the name of this plant with a compound leaf of 8 leaflets?

this plant is present in my lawn and I don't know it's name. It is actually diseased and I'm trying to figure out what it is.
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1answer
25 views

What is the difference between sieve cells and sieve-tube elements?

I looked it up and I'm still confused. Apparently, sieve cells lack sieve plates? What does that really mean? It's difficult to find a good picture of either.
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25 views

Is it possible to grow a part of a plant independent of the rest?

Is it possible, using modern knowledge of biochemistry and synthetic biology, to grow a tomato without growing the rest of the tomato plant? As an academic exercise, with full knowledge of the fact ...
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11 views

Can a dark but warm environment put plants into dormancy? [migrated]

I bought a Juniper. During winter, can I make it undergo dormancy by putting it in a dark but warm (around 20 - 25 degree Celsius) location? Thanks.
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44 views

A small plant that needs identification

This plant has found today on the shore of an island near Fethiye, Turkey. Exact coordinates are 36.669950,29.032914. Local people were unable to recognize it. It smells like lavender. Could someone ...
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26 views

Just by looking at a plant leaf, how do you know if it's a single cell layer or multiple?

Would you first stain the cells with dye to see how it changes color(maybe some different cells wall are lighter than others)? I looked at my textbook and it says bark(periderm) is multi-layered. Does ...
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3answers
89 views

Is it true to say that the genome of trees includes the genome of mushrooms?

As a botany amateur, I know that mushrooms (which are of course studied in the other field of mycology) are dependent in trees or shrubs (and maybe also bushes) and that there are symbiotic relations ...
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22 views

Name for fluid that leaks out of phyllid (non-vascular) plants?

As Wikipedia says (https://en.wikipedia.org/wiki/Non-vascular_plant): Consequently, phyllids are unable to control the rate of water loss from their tissues and are said to be poikilohydric. And ...
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1answer
213 views

Flowers sent by the birds

Birds have sown seeds on my ground and this beautiful flower has sprung. What's the name of this flower? I live in Sao Paulo, Brazil
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1answer
51 views

Effect of light intensity on the frequency of stomata

According to this article, the frequency of stomata increases with an increase in the intensity of light. What I inferred from this is, since the rate of photosynthesis increases at higher light ...
8
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1answer
120 views

Identify this unusually-shaped, orange-colored fruit that grows in pairs?

The photos below were taken on the island of Penghu in the Taiwan straight in October. This was in a public place and the small tree (about 3 meters tall, trunk perhaps 8 to 10 cm diameter) had ...
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1answer
44 views

How is C4 pathway more water efficient than C3 pathway in photosynthesis?

In the C3 pathway: 1 H2O molecule is required for the fixation of 1 CO2 molecule. In the C4 pathway: The only H2O molecule used is in the calvin cycle, so 1 H2O molecule required for fixation of 1 ...
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0answers
13 views

What is the tallest species of the Citrus genus?

As an amateur of botany I ask what the tallest species of the Citrus genus? Running a Google query brings examples to very tall Citrus sinesis but I didn't find a specific claim that this species is ...
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1answer
26 views

Which one is better to use for water stress experiment GWAS or RNASeq?

This is my first time in this area of research. I am working on 95 varieties of bambara groundnut. I have done the agromorphological characterization of these varieties as well as the genetic ...
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20 views

A single leaf in a very strange air current / wind?

Here is my eight years old movie where I have pictured a single leaf moving in a very weird way: https://www.youtube.com/watch?v=sCjvgdfNCjU Can someone explain me what is depicted in this movie (...
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22 views

What causes change of sex in certain monoecious plants such as Papaya?

certain male flowering plants can be converted to female flowering and fruiting such as Papaya plants by just insertion of an iron nail in their/it's stem near it's roots? How can iron nail alter it ...
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20 views

What happened to this grape?

This is a single grape that is much bigger than a typical one and it has a line in the middle, it seems like there's somehow two grapes in one. I wonder what caused this. Some kind of a mutation?
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32 views

Are there any evolutionary reasons for the different tree shapes? If so, What are they?

So we know there are a thousand types of trees with different shapes. We have Columnar shaped trees: Pyramidal or Conical shaped trees: Weeping shaped trees: And we also have Round, Vased, Open-...
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0answers
29 views

What is the name of this little plant?

It was found in Malaysia in my school compound.
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0answers
12 views

Optimal Growing Conditions concerning CO2 level (ppm) for aquatic plants

I know this is rather specific but I would like to know what level of CO2 concentration in the water is optimal for the highest possible plant growth rate. I did an experiment where the growth rate ...
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1answer
40 views

What is the difference between transpiration and evapotranspiration?

According to my point of view transpiration and evapotranspiration are different things, but i am confused about this topic. After great effort, I found a major difference between it. Transpiration: ...
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33 views

Effectiveness of feces as a fertilzer

How effective is feces such as cows, chicken or horses for fertilizing the earth of a garden in order to grow crops.
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1answer
149 views

Is the Amazon forest O2 and CO2 neutral?

In these days, we receive a lot of concerning news about the Amazon burning. Recently, I came across widespread claims about the production of O2 and the absorption of CO2 by the Amazon forest, ...
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2answers
129 views

What species is this? What the fruit?

The berries of the fruit are sweet. The tree is growing in Israel.
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0answers
16 views

Length at which a branch 'branches'?

An image from this question (and originally from Karl Niklas' computer model) has prompted the following question: The branches in this tree divide with increasing frequency as we progress from the ...
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46 views

Cactus plant identification

I received this cactus as a gift and I'd love to know the family/scientific name. Only one flower has bloomed since, it was between orange and yellow. At first it was perfectly spherical, but in one ...
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42 views

Can anyone please help me identify my house plant?

I know this may be an impossible task, but I am one to hope ! My mum had a house plant which had small, green, oval shaped leaves which naturally grew towards the ground (hanging plant). Once every ...
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0answers
60 views

What is the name of this flower (on a tree)?

Here is a photo of a big red flower-like structure on a tree on Lama Island, close to Hong Kong. Does anyone know the name of the tree and what the black "berries" are attached to the "flower"?
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1answer
41 views

Why do my tomatoes start to rot on the same fruit part?

I observe a phenomenon for many years now. I observe it on a wide diversity of tomatoes produced all over Europe and Northern Africa that are sold at my local supermarket. When I keep my tomatoes at ...
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1answer
44 views

Properties of berries that are not shared by strawberries [closed]

What are examples of properties that (all) berries (from a botanical point of view) have and that strawberries do not have? This does not need to be the exact reason, why strawberries are not counted ...
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0answers
56 views

Why don’t plant cells need centrioles? [duplicate]

I’ve just learned about cell division and I noted that plant cells don’t have centrioles but still undergo cell division. I’ve read a few documents about it and wondered why plant cells don't have ...
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1answer
49 views

Identify this wild plant with brilliant scarlet red flowers

Location is Virginia, USA They seem to last all summer
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35 views

Is this a living organism?

Is this thing a flower or marine plant?
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1answer
23 views

Photosynthesis immature fruits [duplicate]

Do immature fruits perform photosynthesis? Yes they have chlorophyll bodies. But do they have stomata through which they can absorb carbondioxide like the green leaves? Sincerely Ulrik
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40 views

What is that? Dry brown fungus? See photo please

It has appeared two days in a row on my balcony, at exactly the same place. There's nothing near that can give me a hint of what it is. The birds can access the place easily. It's an inch in size, it'...
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1answer
88 views

Why have plants evolved to photosynthesize glucose instead of another molecular compound?

I think this question can be broken down into two sub-questions: Why do plants produce $C_6H_{12}O_6$ as opposed to another molecule following the formula of $C_nH_{2n}O_n$? Why not $C_8H_{16}O_8$, $...
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0answers
25 views

How does a heat-ratio sap flow sensor work and how invasive is it?

The Gizmodo article Undead Tree Stump Is Being Kept Alive by Neighboring Trees says: Leuzinger and Bader stumbled upon the stump while out for a hike. The woody stub caught their eye because callus ...
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1answer
49 views

Can someone tell me what these cocoons are?

I am camping in Slovenia and have found some cocoon like materials. They look like nests of some kind and are about 30cm long and 10-15 cm wide. Can anyone help me find out what these things are? ...