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

learn more… | top users | synonyms (1)

-1
votes
0answers
11 views

How can I grow seedless strawberries [on hold]

Many people with diverticulitis are under the impression that they can't eat foods with seeds. Although this does not seem to research based the practice seems to persist. I want to know how I can ...
0
votes
0answers
12 views

How is the acetone method different from QB buffer for extraction of plant protein?

I primarily work on animal tissue but I thought of running an SDS-PAGE for plant tissue just for fun. I searched for some protein extraction protocols online and I don't know which one to choose. One ...
4
votes
2answers
74 views

Does a plant have to have leaves to produce fruit?

Is it possible that a plant can still produce fruit, even though it may not have leaves? Are there any plant species that can produce fruit without leaves?
-3
votes
0answers
36 views

Is it possible to create the “perfect plant” at home? [on hold]

I am starting a hydroponics farm/garden and I am interested in creating something like the perfect lettuce. I want attributes like crunch factor and shelf life. Is this a possibility that I could do ...
2
votes
1answer
80 views

Why is the manchineel tree so poisonous?

The machineel tree is incredibly toxic to humans. What advantage could Hippomane mancinella have for being so poisonous? It's name even apparently translates to “little apple that makes horses mad”. ...
0
votes
0answers
8 views

will 2,4 Dichlorophenoxy acetic acid be effective as an herbicide against banana and papaya

Since 2,4 D is effective against broad leaved weeds/plants, will it be effective in case of banana and papaya?
3
votes
1answer
44 views

Species Identification: Coniferous tree, Italy

I noticed it close to the place where I work, I live in Italy Could you tell me the complete name of this tree? Particular of the leaves
0
votes
0answers
11 views

Does alcohol affect water potential across a tonoplast? If so, would it cause it to explode or implode?

This was a question I saw in a biology exam I recently sat. I know it affects the r-groups of the transport proteins, causing them to change shape and become leaky, but does it also affect water ...
1
vote
0answers
11 views

Is any of this a Fern? [migrated]

A couple of months ago I planted some silver fern spores. For a while nothing happened, but now I have 2 different types of plants growing in my pot, and I'm not sure if I should be removing one of ...
1
vote
1answer
55 views

Species Identification: Bulbous root on plant, Southern California, USA

In Southern California, I was pulling out some roots and grasses and weeds in our backyard, and I noticed something weird. It appeared like there was a grape-sized bulb of something connected to one ...
1
vote
0answers
17 views

Do cortical cells in root have higher water potential than endodermal cell solution?Or is it the other way round?

Well, water normally passes from root hair cells to cortex to endodermis, and from there to the xylem vessels. All of this occurs down the water potential gradient by apoplastic or symplastic pathway ...
0
votes
0answers
7 views

What is Amphitropous ovule & what is Hemianatropous ovule? Got different answer from different sources

I have two books where they are saying just the opposite of what the internet websites saying. The two books are:- STUDIES IN BOTANY written by Mitra, Mitra, Chowdhury A TEXTBOOK OF BOTANY written ...
0
votes
0answers
18 views

What is the name for the mark on a fruit or vegetable where it connected to the main plant via the Peduncle/Pedicle?

When you pick a fruit or vegetable there is very often an obvious mark left on it from where it was attached to the Peduncle/Pedicle. I was wondering if this area has a name. It's clearly visible on ...
0
votes
2answers
21 views

What is the genetic difference between two cone branches?

As we can see on this larch, male and female cones are sometimes directed to grow on the opposite side of the branch. We were told in school that this mechanism works against self-fertilization. Also ...
0
votes
1answer
16 views

Indoor plants acidic soil

I have a ponytail tree plant. The new growth look anemic, pale and thin. And several leave have browned from the midway to the ends of the leaves. The stem is woody and firm. Though it is in a solid ...
4
votes
1answer
57 views

What kind of kale is this?

I'm from Pennsylvania and I used to get this kale all the time at the grocery store, but I moved to the West Coast recently and can't find it anywhere! It looks exactly like this photo: Image source:...
13
votes
2answers
184 views

Why do pink rain lilies flower only after rains, and not from being watered?

We have pink rain lilies (Zephyranthes carinata) in the garden. In my personal experience, I've found that they always flower, without exception, shortly after rains. However, there are roughly ten ...
2
votes
1answer
61 views

What is the name of this green plant with thin leaves?

I've seen this in Scotland between Balmaha and Inversnaid: A higher resolution is here: https://commons.wikimedia.org/wiki/File:Balmaha-Inversnaid-9.jpg What is the name of this green plant with ...
3
votes
2answers
304 views

What is the name of this plant with small, 5-leaved divided pink blooms?

I found this in a forest in Karlsruhe (Germany). The blooms are pink and have 5 leaves. Each leave is divided into two parts. It is pink and has a diameter of about 1-2cm.
1
vote
1answer
39 views

Mangroves and desalination of sea water

I am not an expert but I guess that mangroves (or some other plants that thrive in sea water) perform some kind of desalination to extract fresh water from sea water. Is this true? If yes, What ...
2
votes
0answers
40 views

Do trees have genes for stopping the grow?

Do trees have genetically encoded to stop growing at some height, to keep dividing the cells only to a certain amount, or to pump nutritions only till it's advantageous because they've already ...
1
vote
0answers
23 views

What tell a plant to have one/a lot of flower(s)? [closed]

some plants just have one flower and some have more. This is the question. please simply tell me how? which genes or pathways control this in various plants?
2
votes
0answers
21 views

Banana cultivar identification

I found a cultivar of banana that I haven't seen before (and that was significantly different from the standard Cavendish cultivar) in a market in Hong Kong today, due to the language barrier (...
1
vote
0answers
17 views

Moss Transportation System

In my biology textbook, it says that mosses are avasculer and do not have xylem like spermatophytes. So by what means do mosses transport nutrients ?
0
votes
1answer
32 views

Plasmolysis vs Flaccidity in cells

When is a cell said to be flaccid and when is it called plasmolysed? So far I found that there is a specific relation to osmosis.
1
vote
1answer
23 views

Are there any (chemical) processes occuring inside a seed while it's in a dormant state?

If a seed were in a glass jar without a chance of germination, are there any (chemical) processes occurring inside the seed while it sits there? My intuition tells me no since my understanding of ...
1
vote
1answer
31 views

A question regarding trichomes in plants

Trichomes in general are features of xerophytic leaves, which reduce water loss by evaporation by trapping water vapor and increasing humidity (as a result lowering the water potential gradient). BUT ...
1
vote
1answer
67 views

What is the name of this beautiful white trees?

I found this beautiful white trees in an unknown video.
1
vote
0answers
20 views

Can plant roots absorb dissolved oxygen from water, or do they require actual bubbles in the water?

Plant roots generally require some exposure to air. Deep water culture is a form of hydroponics where plants' roots are left to soak in water. To keep the roots from "suffocating", most online ...
2
votes
1answer
28 views

How important is dead wood to the ecology of a forest and how much dead wood should remain?

I have a local 'forest management group' in my area. One of the jobs they do is to thin out the forest by removing some of the trees. They then sell the wood for firewood. I want to tell them to ...
0
votes
0answers
14 views

Transport of auxin

I read that auxin is transported via active transport unidirectionally, and that this is given a special name—polar transport. However, I’ve seen so many experiments regarding phototropism involving ...
0
votes
0answers
18 views

Is it possible to inject pigments into a leaf?

Is it possible to introduce exogenic pigments into the leaves of a plant? And, if so, how could you do that? Goals: the plant should not die the pigment should be visible looking at the plant (...
1
vote
0answers
34 views

Is there a way to identify a species of tree?

My family has been passing down seeds from a lemon tree for about 3 generations now, There is some controversy about its origin or species. The lemons look like tangerines and when cut the pulp is ...
2
votes
1answer
26 views

Flower identification (Singapore, April)

I saw some flowers growing by the roadside today, and was wondering about the species of this plant. The plant also appeared to be fruiting, and it produced small fruits that formed small clusters.
1
vote
0answers
11 views

Phototropism or Hydrotropism is a more important factor for trees beside the lakes growing bending to the water?

I see a lot trees beside the lakes are growing bending to the water and I wonder why. After reading this I think it might be a combined effects by: Phototropism: the lake works as a mirror and ...
1
vote
1answer
48 views

How can a haploid plant be bisexual?

According to Wikipedia: Meiosis is a specialized type of cell division that reduces the chromosome number by half. This process occurs in all sexually reproducing single-celled and multicellular ...
1
vote
1answer
54 views

Why all trees have cylindrical stems?

Why a huge number of trees/plants have cylindrical stems? I have been told that this question's answer lies in Physics but I don't know where to find. Can any one help?
2
votes
0answers
16 views

Have there been any studies on 'surf balls'? (not related to surfing)

I know the title sounds like something else, but I'm actually wondering about these things, which are also apparently called 'whale burps': This one was found on a beach on Lake Michigan. Does ...
1
vote
2answers
14 views

Do Class A biosolids count as organic fertiliser?

Does Human Waste, which has been treated at least twice to remove pathogens & remove stink, still count as organic despite it passing the EPA's class A standard? If so, does this mean that none-...
7
votes
2answers
70 views

Does anyone know the explanation for branches with different flower colors (see picture)?

As you can see in the below picture, there's a branch with white-colored flowers, while the rest of the tree has pink flowers. I googled a number of questions but it is a bit complicated to ...
2
votes
1answer
99 views

I need help identifying a completely unknown plant for my biology class

I know two things about this plant 1 is that it does not need to be watered for a long time because it has been able to survive in my schools greenhouse for quite some time without water and 2 my ...
1
vote
0answers
21 views

Do any plants grow leaves beneath the ground?

We have a pretty common California weed in our yard. When we dig in the ground, we often find small ones there, with green leaves! It's as if they form green leaves before they come to the surface. ...
3
votes
0answers
85 views

Behavior of plant guard cells: open or closed stomata

On an exam of mine, I had the following question: The interaction between the guard cells and stomata in a plant leaf can be seen in the diagram below. In which scenario could the guard ...
2
votes
3answers
99 views

What type of tree is this?

This is a tree that I have been growing. I'm wondering if this is a mulberry, and if so, what kind? Location is Arizona.
1
vote
0answers
25 views

How quickly does plant cells regenerate? [closed]

This is a question from my Biology class homework? I've looked online, but I can't find the answer.
1
vote
0answers
31 views

Why does my corn appear to have perfect flowers?

Corn is said to be a synchronously monoecious plant with separate male and female flowers. I am growing a cross between a Peruvian and heirloom variety which seems to be growing some perfect flowers ...
1
vote
0answers
21 views

Can humans extract calories from all roots? [closed]

Roots are used for storing plants' energy, which suggests that humans could extract the calories by consuming them. However, I have been unable to find any substantial sources on consuming the roots ...
1
vote
1answer
94 views

Why do fruits have to ripen?

It seems like most fruits that we consume undergo some sort of ripening process either before or after they are picked from the vine, tree, etc. I understand that sugars are released during the ...