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

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What is the name of this flower?

A flower has grown on a leaf in our garden. What is the name of this flower? Give some description.
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1answer
19 views

Possible calculations with temperature, humidity, images and VIS spectrum of a plant in an Integrating sphere

I am currently working on a project which involves growing some plants in a integrating sphere made of foam. I have added temperature, humidity and soil moisture sensors as well as a Spectrometer (350 ...
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0answers
32 views

What is this flower?

I was in Germany recently, and I saw again a flower that I'd only ever encountered before at Meijer Gardens. It's interesting to me because I'd never seen a flower with color variation in only the ...
-2
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1answer
32 views

Why do tomatoes look so much like pomegranates? [closed]

The pomegranate fruit has been cultivated since ancient times, particularly in the Middle East and the Mediterranean. It has a hard outer rind, and inside are several chambers, each of which contains ...
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2answers
77 views

Is this Heracleum sosnowskyi?

There's a relatively big scare in local news about the Heracleum sosnowskyi plant, considering how dangerous it can be. I was strolling through the park when I noticed these plants - the ones I ...
6
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1answer
51 views

Flower identification: Moscow, Russia

I found this plant near the MSU, Moscow, Russia. Could someone help me to identify it?
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1answer
39 views

Which plant is this?

I'm curious what plant this is! I found it at 37°52'23.2"N 122°16'55.3"W (north of Oakland, California, USA).
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2answers
47 views

Can someone identify this stinging plant?

I have no idea where this plant came from, or what it is. What I do know is its leaves are covered in little hairs, there's little thorns growing all over it, and just by rubbing its leaf it burns you ...
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3answers
1k views

Why are plants referred to by their Latin species names, and not by their popular names?

Often the names of herbal ingredients in certain cosmetics products are given by their scientific names like Anthemis nobilis instead of chamomile or Lavandula angustifolia instead of lavender. Is ...
5
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1answer
326 views

What flowering green plant is this?

I got this green plant as a gift many years ago, but I have never seen it flower before. It has a strong, pleasant scent and cool flowers so I'd really would like to know what it is.
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1answer
31 views

Can roots have cuticle, especially aerial roots?

In my school biology book, it is written that cuticle covers the epidermal cells in aerial parts of plants and root epidermis doesn't have cuticle. My question is that whether aerial roots, in plants ...
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0answers
20 views

Which taxonomic classification schemes are most accepted?

Since the taxonomic classification schemes followed by universities around the world are different I wish to know which are the most accepted classification schemes till date concerning the following ...
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0answers
36 views

How to measure the biomass of hydroponic plants in netpot/rockwool DWC system?

I'm doing an experiment with 4 kale plants, each in their own small deep water culture (DWC) system. Each plant was transplanted in rockwool with netpots and clay pebbles. But I need to periodically ...
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1answer
3k views

What is it that creates that wonderful smell after a fresh rain?

I've heard that the wonderful smell of a fresh rain is actually chemicals released from the trees and grass and other plants. What is the process that allows these chemicals to be released? What ...
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1answer
99 views

What is the scientific name of this evergreen plant?

This plant is found in India. It is an evergreen plant. Would love to know the scientific name.
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2answers
104 views

How do researchers map root systems of plants?

For example, here is a picture of the root systems for some prairie grasses: (Click image for higher-resolution PDF) from: http://www.conservationresearchinstitute.org/educational-offerings.html How ...
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0answers
21 views

Calculating the canopy size (crown) of a newly planted tree at a future date

Assuming that one knows the maximum area of the canopy and the age of the tree when it achieves this. And given an initial canopy size from the nursery. How would I calculate the canopy size at a ...
43
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1answer
3k views

What could cause a forest of bent trees?

While hiking on the northern Idaho-Montana border, I encountered a large area where virtually every tree is bent at the base in the downhill direction. Only the very largest and very smallest trees ...
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1answer
82 views

Plant identification in Turkey

What species is this ? It is a stinky, hairy plant. I have found it nearby a river. It had reached a height of 1 meter. Bloomed three weeks ago. Found in Turkey.
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0answers
68 views

What biological processes can affect the temperature of the shadow a tree casts?

Assuming two trees have similar shape and leaf coverage, could differences in the biological processes among them lead to differences in the temperature of the shadow they cast? What biological ...
4
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1answer
208 views

Can anyone help me identify this plant?

I have a Chamaerops humilis in my apartment and in there is these small plants growing. I live in Denmark, Europe and my palm tree has only been inside my apartment since i got it. Can anyone ...
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1answer
41 views

Plant identification

What plant species is this? Its stalk looks like a grapevine, but the leaves & flowers not. It bloomed this week (Mid-June). I have found it in Turkey, Amasya. If you want, I can add more ...
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1answer
39 views

What comes out of this bump in this vegetable?

I live in Denmark, Europe and I have in my garden this gigantic vegetable. It has a big bump on the top and i was wondering about what comes out of it?
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1answer
124 views

Is Araucaria fruit toxic? [closed]

I've had an Araucaria tree in my garden for more than 30 years. Today a fruit fell off the tree. It looks just like this one: I want to know if it is toxic? Can I eat it? If so, how?
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1answer
73 views

Cause of Crease in Drupe Fruit

What causes the crease through the pericarp of a drupe fruit (peach, nectarine, olive)? It may just be in exocarp as @Ilan pointed out, but I assumed (perhaps wrongly), that the division continued ...
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1answer
56 views

Are there terrestrial plants that thrive on sea water?

Given the existence of coastal deserts such as in the picture below, I was wondering whether terrestrial plants can survive on sea water alone? If yes, why then do coastal deserts exist, instead of ...
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1answer
45 views

Leaves growing on a leaf of a Begonia

I've a Begonia species. Somehow it started to grow new leaves on top and right in the center of an existing leaf which you can see in the center of the image. Why is it doing this? Apparently it is ...
3
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0answers
29 views

Expected reproduction rate of a dandelion and/or fern

I am working a basic mathematical/computer simulation of an ecosystem, and I need to know the birth rate of each organism in my simulation. However, I could not find any data for how often a small, ...
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1answer
66 views

Identify the plant

Can anyone tell me which plant or flower is this. I have found it in Darjeeling, West Bengal, India.
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26 views

Can photosyntetic cells be genetically modified to grow at a faster rate?

I hope the question is not silly, but I wonder if a sort of genetically modified plant "cancer" could be used for carbon sequestration. For example, cancer cells like HeLa have been reproduced in ...
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40 views

What bacteria shed harvestable energy from root zone organic matter?

I recently heard of a successful effort that harvests energy from soil at plants' bases due to apparently bacterial breakdown of wastes from the plants: Via photosynthesis a plant produces organic ...
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1answer
64 views

What is this plant on the photos?

Found in Kustaankartano, Helsinki, Finland in June 2015. (for closeup view, copy image URL and open in new window and then zoom in)
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39 views

Mating types in fungi (and somatogamy)

I would have some related questions about the mating types of fungi. Does a single spore generate a mycelium possessing only one mating type? If it does not in general, do Ascomycota and ...
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1answer
491 views

What is the scientific name of this plant?

I found this one on a hill here in Palestine. It's about 20 cm in height. Note that it does exist in this regions, but scantily.
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4answers
645 views

Do plants with non-green leaves have chlorophyll and photosynthesis?

Is it even possible that plants with non-green leaves have chlorophyll, and do such non-green leaved plants carry out photosynthesis?
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1answer
40 views

Are there any culinary fruits that are not botanically fruits or accessory fruits? [closed]

Many culinary vegetables are botanically fruits. For example, the tomato, bittergourd and the cucumber are generally considered culinary vegetables, but they are botanically considered fruits. Does ...
6
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1answer
63 views

Viruses selected by evolution

First let me apologize in advance for I know almost nothing about biology. I had a conversation today with a family member who is a bio-computer-scientist and he talked to me about what his colleagues ...
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2answers
57 views

How do roots obtain nutrition?

I have a city garden (see picture below) and yesterday I was nurturing it and I pulled up a small plant. I saw its root system and laid it in the sun to dry a bit and then scraped of the rest of the ...
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1answer
38 views

Which tree's root can grow the longest?

In a recent TV documentary it was said that a particular tree root could grow miles long. However, I forgot the name of the tree and I don't remember the name of the TV program as well. I searched ...
6
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1answer
309 views

Can someone identify this plant?

Can someone identify this plant? It was growing under my 2 year old's climbing wall / play house thing. I live in West Virginia, USA and it's currently June 3rd (if that helps from a climate ...
2
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1answer
33 views

Vegetable Cellulose

I'm a pharmacy student working on my thesis. I just want to ask the probable sources of vegetable cellulose found in vegetable capsule? Note: I'm referring to the capsule itself not for its possible ...
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0answers
20 views

Book-recommendation: plant biophysics [closed]

I'm a physicist by training am looking to learn more about the biophysics of plants. Can you give me your recommendation of good resources on plant biophysics? Books are preferred.
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1answer
33 views

Are corn kernels considered a grain

I have seen corn described as a seed, a grain and a fruit. What are the kernels or a corncob considered to be? A grain, a seed or a fruit?
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2answers
44 views

What is Meriva Phytosome Curcumin?

What is Meriva Phytosome Curcumin other than being a food supplement? Is it a plant? A type of plant extract? I googled it but still couldn't figure out exactly what it is. The reason I'm asking is ...
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2answers
69 views

What is “theae folium”?

I wanted to buy black tea at a pharmacy and the pharmacist told me that russian tea is actually black tea so I bought it instead.It's made out of theae folium leaves and for some reason I can't find ...
5
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1answer
570 views

What is this Tree?

What is this plant? Location: Bangalore, India
8
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2answers
287 views

What's the name of this flower?

I photographed this flower in Central Europe. I looked in online databases but can't really identify the actual flower, since there are so many that look quite similar. Can you help me? What's the ...
0
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0answers
27 views

Solidification of coconut water

At first, the coconut is filled with liquid endosperm. Later when it ripens, the outer layers form brown fibrous covering, and the inner solid layer turns brown and hardens. Within that, a white layer ...
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0answers
22 views

planting conifers in a sagebrush area [closed]

I'm looking at buying some property in the picture below. You can see the conifers (mainly Jefferson Pine and Lodgepole Pine) as the dark green dots on the outside frame. The intersecting line (top to ...
5
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1answer
52 views

What is the trigger of pollen tube formation when the pollen is on the stigma?

What is the mechanism of pollen tube formation when the pollen is close to the stigma ? Is it because of chemotaxis? In other words, is the growth triggered by some chemical substance that is ...