The study of plant life; e.g. angiosperms, gymnosperms, bryophytes, pteridophytes, and algae.
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5 views
Why K+ & NO3- are absorbed faster than any other ions by plants?
Quoting my A-level biology textbook:
$\ce{K^+, NO3^-}$ are absorbed by plants faster than any other ions. Whereas, $\ce{Ca^2+, SO4^2-}$ are absorbed with the slowest speed.
What is the reason?
...
-4
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0answers
14 views
How many ATP are produced in cyclic photophosphorylation? [on hold]
How many ATP are produced in cyclic photophosphorylation? If two explain me please.
-1
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1answer
40 views
-4
votes
0answers
29 views
What stopping a some plants to become a tree?
In Botany, I never saw Rose tree or Tulasi (Holy Basil) tree etc.
What is stopping them to become a tree?
2
votes
1answer
57 views
Weed Identification
These are are weeds which grow on the silt of a lake, in India , climate is semi-tropical monsoonal
They dont look native probably exotic species. What are they?
Height is probably 1.5 feet.
Lake is ...
3
votes
2answers
86 views
Do plants need sleep?
Turns out that you can do indoor farming these days via hydroponics and specialised LED lights. My mother, who has a large garden, warns me from exploring this as a hobby. She mentions that 'plants ...
1
vote
1answer
24 views
properties of lamps for indoor plant growth
Ikea has a brand of hydrophonic start kits called vaxer. Part of their offering consists of lamps that aid in the cultivation of the plants (example1, example2 and example3). There are other companies ...
0
votes
1answer
22 views
What is this liriope looking plant?
They look like monkey grass, in the midst, a tall, skinny stem with bright orange flowers on top.
One of the plants, although it looks just like the others, has pink, purplish flowers instead of ...
0
votes
0answers
26 views
Why don't plants grown from seeds of a hybrid maintain their hybrid character? [on hold]
Can you help me to explain this text?
"If the seeds collected from hybrids are sown the plants in the progeny will segregate and do not maintain hybrid characters."
-1
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0answers
16 views
Identifying a small tree I bought in Bangkok
The trunk is a greyish colour, a little like the bottle tree found in the dry Australian outback. The trunk shaped like an inverted funnel. There are many green leaves on small branches above and the ...
6
votes
1answer
75 views
What is this weed?
I first noticed this weed a few years ago, and saw its long, thin, V-shaped bean-shaped seed pods on meter height plants. The pods start out connected together at the far end, but eventually separate ...
-3
votes
0answers
28 views
What is the name of this plant(pleasee see pic)? [closed]
This is a plant i found in my neighborhood. could you please help me identify what the name is
3
votes
1answer
51 views
Identification of succulent plant
I have bought this succulent in the Bronx Botanical Garden Shop, but it was unlabeled. On the photo, it is about 4" high:
Can anyone help identify this? Could this be Echeveria haagai? It's indoors, ...
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0answers
11 views
Preserving fresh flower [closed]
I love flowers and fresh green plants…
I would like to keep some plants in a sealed container to preserve their colors, shapes and freshness…
Is there a chemical or special liquid that will keep the ...
4
votes
1answer
75 views
I really need some help with a plant identification
I am trying to identify this flower. It was spotted in an Australian Botanic Gardens. I have been advised that the plant was approx 1.8m high and the flowers approx 2cm wide. Any help greatly ...
3
votes
0answers
24 views
How outdoor/wild plants survive without any proper human support? [closed]
I will take care of indoor plants because it was growing in my lawn
if I don't care then parasitic vines will destroy my plants.
But how plants take care of itself which are still surviving in ...
0
votes
0answers
14 views
What's killing this herringbone plant?
I'm wondering if anyone can see from the photo, what disease is affecting this plant.
I've had it for 5 or more years. It's common name is "Herringbone Plant". A few months ago the leaves weakened, ...
0
votes
1answer
35 views
When does a Jalapeno begin to produce heat/capsaicin?
I have a small Jalapeno plant in my apartment. About two weeks ago, it started producing a few flowers. In the last few days, many of them have started to turn into fruit; however, a few of the ...
1
vote
1answer
22 views
What is the difference between scale vs cataphyll?
What is the difference between scale and cataphyll in botany - aren't these the same type of organ?
E.g. do cycad cones have scales or cataphylls? Pine cones have scales, I understand the compound ...
2
votes
0answers
8 views
Water absorption plant physiology
Can the movement of water in plant outside xylem be multidirectional ,like in case of sucrose transport?
2
votes
0answers
36 views
What is this plant growing on Asian spider-flower?
I found a densely-clustered plant (circled in red in photo) growing on top of an Asian spider-flower. I know what Asian spider-flower looks like. I'm in Chennai, India. What type of plant is this?
(...
6
votes
1answer
178 views
What is the name of this flowering plant?
My mother is in hospice, and this beautiful flower is outside her window. She would like to know the name of "her" flower.
The flower is growing in Eastern Kansas and we are approaching the first ...
2
votes
0answers
8 views
Are nastic responses growth responses?
I know they are non directional movement responses, but like tropic responses, does their movement involve growth?
0
votes
0answers
28 views
What are the features of these plant fibers? (Light microscope pictures)
I am a student that has recently missed this practical lesson and got pictures from a friend who gave me images of the microscope images. I know that they used Methylene blue (1% solution) and 50% ...
1
vote
1answer
44 views
Can a new plant grow from half a Crassula leaf?
Succulents like Crassula ovata can be propagated by simply tearing a leaf from the stem and putting it into soil. The leaf will usually grow roots and additional leaves from the calloused wound, and ...
1
vote
1answer
26 views
What can give rocket salad (Eruca Sativa) a fish smell?
I bought an 'already washed' plastic tray of rocket salad (arugola, or Eruca Sativa) enclosed in a sealed plastic bag. It has been kept in the refrigerator for four days. When I opened it, some 12 ...
0
votes
1answer
9 views
Plants that are siblings: How does this impact pollination?
A friend has two cherry bushes (prunus tomentosa). Prunus tomentosa is said to be partially self-fertile, but benefits from cross-pollination.
The two cherry bushes set fruit, and so my friend saves ...
2
votes
1answer
46 views
Are there any trees that prefer to grow on the floor of water bodies but protrude to the air?
Are there any trees that prefer to grow on the floor of water bodies but protrude to the air? Specifically, those that prefer salt water or grow on shallow sea.
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0answers
16 views
What does 'C1' mean in this plant name: Vaccinium vitis-idaea 'Koralle' C1
I have a lingonberry plant that has this label:
...
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votes
1answer
25 views
What does a typical, perfectly healthy vaccinium corymbosum (highbush blueberry) leaf look like?
What does a typical, perfectly healthy vaccinium corymbosum (highbush blueberry) leaf look like?
Colour (darkness of green, redness)
Waxiness
Veins
I'm guessing that soil ph, nutrients, and other ...
4
votes
2answers
132 views
What is the name of this thorny plant?
Location: South India
Month: June
Tree:
Leaf:
Its Flower:
EDIT:
For avoid confusion about ID this species, I even added its flower now.
0
votes
1answer
35 views
Did I understand the definition of “gross primary production” correctly?
According to wikipedia
Gross primary production (GPP) is the amount of chemical energy as biomass that primary producers create in a given amount of time.
So if a plant creates 6g of biomass in 1 ...
3
votes
1answer
58 views
Name of this plant
I contact you all with great pain because my cute little plant is slowly deterioriating. I need you help. Do any of you know the name of this plant and/or the caring specifications for it? If it helps,...
3
votes
2answers
52 views
Is “reaction center” the same as “photosystem”?
I have a diagram which labelled a part of PSI (Photosystem I) as "reaction center". But I have read on several websites that the reaction centers are PSI (the whole complex, not just a part of it) and ...
3
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0answers
53 views
What is the name of this whorled-leaf tree in India?
Location: South India
Month: June
Season: Rainy
Branch Distribution:
Leaf of the tree:
5
votes
1answer
72 views
What is the name of this plant with orange fruit clusters in india?
Location: South India.
Month: June
Season: Rainy Season.
4
votes
0answers
67 views
What is the name of this South India plant?
Location: South India.
Month: June.
Branches of the tree:
Lower part of the Plant:
Plant's leaf:
Whole plant:
3
votes
1answer
19 views
Self-fertile PRUNUS: Approximately how much of the genome gets rearranged by meiosis?
I'll admit that I don't have a background in science, so this might be a stupid question. Suggestions and edits are welcome. The question is related to a similar question I had here: What DNA does a ...
3
votes
1answer
54 views
What DNA does a self-fertile plant's seedling have?
Some plants are said to be self-fertile. An example is Prunus tomentosa.
Assuming that no cross-pollination happened with ...
3
votes
1answer
65 views
How can tree branches grow upwards against gravity?
I saw this tree in front of my room with those branches, and I asked myself why they didn’t grow downward in the direction of gravity since that would be easy for them? And I came to the conclusion ...
5
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0answers
35 views
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vote
1answer
75 views
What is the name of this herb plant?
I found it outside in the City of South India in the month of May.
Another view:
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1answer
93 views
What kind of tree is this (Seattle, WA)?
This tree is a volunteer and I am hoping to find out what kind of tree it is.
Young tree
Leaf sample
Below is a more recent photo showing flowering.
2
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0answers
33 views
Please help Identify these algae [closed]
Found this algae in a small stony stream that feeds a medium sized river. I can not identify either of the filamentous algae in this photo
11
votes
1answer
233 views
What tree is this?
Can you please help me to identify this mystery tree. I have been trying to identify it for four years (Leafsnap app didn't help). Here are a few things about the tree.
All the leaf veins are ...
2
votes
1answer
55 views
What is this yellow-pink flower?
Found in Pennsylvania, Philadelphia County
This is intentionally planted, not sure if it is indigenous to this region. Thank you for your expertise!
12
votes
1answer
3k views
How do trees communicate in the “Wood Wide Web”?
I read on The New Yorker - The Secrets of the Wood Wide Web that trees communicate with each other through electrical impulses sent through their roots. Through these impulses they can ask other trees ...
47
votes
2answers
6k views
Why does cutting onion cause tears?
When I looked on a couple of sites, I found that it is because of sulfuric acid produced by onions. But I could not find more details. What is the biochemical pathway by which onion causes tears? Also,...
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vote
0answers
64 views
Is this plant “Hedera canariensis”?
Location: South India
I found this plant beside bus stop.
Side view of the Plant.
Actually, Wikipedia says Hedera canariensis is "native to the Atlantic coast in Canary islands and northern Africa",...
2
votes
2answers
102 views
Can someone identify this tree from the Pacific Northwest?
A tree at my house in Seattle, Washington, USA has these leaves. Can someone tell me what it is?
