Questions tagged [fruit]
Fruits develop from the flower of plants and hold the seeds. They are the way of plants to distribute their seeds.
4
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1answer
60 views
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'...
4
votes
1answer
58 views
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 ...
0
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0answers
13 views
Is there a citrus variety whose main consumed part is flavedo rather than pulp or albedo?
In oranges, lemons, limes, mandarins, pomelo, grapefruits the main consumed part is pulp. In citron it is albedo.
Kumkwat is eaten entirely but still the main part is pulp, I think.
Is there a ...
1
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0answers
38 views
Fruiting of trees — environmental stimuli and biochemical cascades
My question concerns fruiting of trees in general. However, I live in a
tropical country (Philippines) where mango trees are ubiquitous, so I'll use it
in stating my question.
The question is about >...
0
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0answers
24 views
How does peanut pollination work?
I got curious about peanuts and when I found some photos on the internet, I could see they have flowers. However peanut fruit is underground.
How does pollination of peanut flowers affect the fruit ...
0
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1answer
72 views
What is this strange-shaped fruit?
The fruit has form of a cube or icosaheder. It is green but quickly becomes black. The meat of ripe fruit is easily separated from the seed, is sweet and tastes as dried plum. The seed has strange ...
-1
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1answer
22 views
Searching a fructose degrading bacteria [closed]
my question is do you know a fructose degrading bacteria?
Wich is straitforward to use and cultivate?
Wich shouldn't create excrements, that can't be removed simple.
6
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2answers
464 views
Are bananas C3, C4, or CAM plants?
Are bananas C3, C4, or CAM plants? I have been researching for some time and cannot find the answer.
5
votes
1answer
107 views
What is this fruit?
There is a hairy hard shell (looking like a small kiwi), which naturally breaks, and under it there is brain-shaped red sweet flesh, half-covering the smooth black seed.
Picture taken in the ...
0
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1answer
71 views
What is this plant with hardened fruits on the beach in Mozambique?
We saw these near the Barra and Tofinho beaches in the Inhambane province in Mozambique, in July. They were hard and leathery and dry to the touch, long past something resembling edible fruit.
...
2
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0answers
61 views
Please help to identify this shrub
Please help to identify this shrub in Hong Kong:
- dark green fruit with white spot
- fruits cluster at top of stem
- upright growing of green leaves
The shrub was from Hong Kong MacLehose Country ...
0
votes
1answer
39 views
Does the sun light have to have *direct access* to fruits to make them sweet?
I understand that sun light is needed for fruits to ripen. In the years with less sun light, the fruits are usually not so sweet. So the sun light is needed to make the fruits sweet.
Where and how ...
10
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3answers
1k views
Can anyone help to identify this fruit?
It stays the same color when ripe. It's about the same size as a pear. Grows in sub tropical climate of Meghalaya, India.
3
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1answer
63 views
What is this tree and fruits?
Please help me identify this tree and its fruits that have sweet taste and very small soft seeds:
It grows in the Mediterranean region.
4
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1answer
99 views
Why there are no plants that offer salt fruits as opposed to sweet fruits?
Why there are no plants that produce salt fruits?
Is it because other animals do not like salt to the same degree of humans?
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0answers
44 views
Can sugars in a pineapple be redistributed by turning it upside down?
I've seen this "food hack" on multiple sites online (e.g. see link below): when you buy a pineapple, store it upside down for a few days so the sugars from the riper base of the fruit filter down to ...
8
votes
1answer
80 views
What is this apple's abnormality?
The apple pictured is a of the Gala variety,typically striped.The stripes swirl around a brown protrusion. The protrusion is flexible,in the way a leaf is flexible. The flesh underneath is not ...
4
votes
1answer
187 views
Banana peel bruises after a hit
When a banana fall on the floor or get a certain impact, the impact location gets darker (it bruises) after a certain amount of time. The darkening affects the peel as well as the fruit itself. Why ...
2
votes
4answers
150 views
What causes plants in the prunus genus to reach anthesis?
In a related question, I ask how to trick fruit trees into flowering later in the spring by prolonging frozen ground conditions.
However, I'm starting to realize that I don't actually understand what ...
5
votes
2answers
325 views
Trick fruit trees into flowering later in the spring
There is a common problem with fruit trees in temperate climates where the trees flower before the last frost. Generally speaking, if the tree has flowered, and the temperature drops below freezing, ...
1
vote
0answers
92 views
Is the primary evolutionary purpose of a fleshy fruit to benefit the sprouting seed or the frugivorous seed disperser animal?
In a question about the low protein content in fruits, one answer suggests the energy, carbohydrate, and protein content in a fruit evolved to entice animal seed dispersers, not foster the sprouting ...
0
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1answer
143 views
What kind of fruit is this? It is the size of a small avocado or a plum
The flesh inside them seems ripe as it is squishy, and it gives off a strange odor. The smell at first reminded me of menthol. It's about the size of a small avocado, or a plum. A coworker of mine ...
27
votes
3answers
5k views
Is a walnut a nut or a drupe?
We've been learning about fruits (and the various categories thereof) in class; among them we have the nut and the drupe.
My textbook differentiates between those terms as:
Nut: It is a single-...
6
votes
1answer
426 views
Plant growing inside a fruit
Today after cutting open a papaya , a plant was found in it:
How is it possible for a plant to grow in a fruit? How does it gets $CO_2$ and light for photosynthesis?
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2answers
775 views
Do oranges have traces of starch?
This is for a chemistry experiment, so I just want to know if there are small traces of starch in oranges, and not whether or not I should eat an orange for its starch content, or something to that ...
1
vote
3answers
3k views
Blue light in a fridge. Is it really beneficial or just marketing?
Recently while visiting a shop with electronics I saw a fridge with a huge advertisment sticker going more or less like this:
There's blue light source in this fridge so there will be less bacteria ...
1
vote
0answers
29 views
How effective is it to rinse fruit, lettuce, tomato, … with water?
The general rule I've seen stated is that to get rid of some nasty bacteria, one should rinse fruit and vegetable under running water before using them, especially if eaten raw.
Most likely the ...
2
votes
0answers
240 views
What causes this eggplant scar?
This eggplant fruit is featuring a big scar. What causes such a scratch? Is it a disease or maybe the fruit was hit and then it healed the crack? Is it correct to call it "Eggplant scab"?
3
votes
1answer
87 views
Name of this kind of stain on fruits and how do they form
Last year I made some photos with avocados touched by some stains. They were even more delicious than the regular ones.
What's the name of such stains and how do they form? My guess is that they form ...
3
votes
0answers
47 views
Please help ID this plant
Can anyone please identify this plant and confirm if the species is Synsepalum dulcificum (Miracle fruit)? Pics were taken near my house in Bangalore. Because the miracle fruit plant is not native to ...
8
votes
1answer
190 views
What fruit did I just accidentally buy?
I live in Oxford, in the United Kingdom, in a part of the city with a vibrant multicultural community. My local corner shop has an excellent selection of spices, pulses, and obscure and vegetables ...
1
vote
0answers
176 views
Are there any fruits that rely on dispersal of their seeds using excrement?
Are there any fruits that have seeds which can survive the digestive entirety of an animal's digestive system and remain germinable once passed on in animal excrement?
Perhaps this is the primary ...
3
votes
1answer
410 views
Why do same type of fruits come in different sizes?
Why don't fruits come in exact same size even they're the same type of fruit?
This sounds like an obvious question,
but why are some apples bigger than others?
and why are some bananas larger than ...
4
votes
1answer
3k views
A way to measure ripeness of a fruit
I'm doing an experiment how fast fruits ripen and decay
I'm wondering how to measure the ripeness of a fruit(banana, mango, tomato, kiwi etc.) so that I will get a quantitative results.
I have ...
1
vote
0answers
45 views
What is the incentive for plants to add rich nutrients to food?
As we know fruits are good sources of vitamins and minerals. What is the incentive for plants to add so much of vitamins and minerals to fruit pulp. My thought is that seeds would need is some ...
0
votes
1answer
171 views
Fruit identification
On the way from school to home, I came across this strange looking fruit that looks similar to a potato and it grows on a tree. Can you identify it?
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vote
1answer
196 views
What is the identity of this fruit/tree found near Berkeley, California, USA?
Please help identify this fruit/tree found near Berkeley, California.
The tree had no leaves. The fruit looked like a pear from far. It has no flesh. When the outer skin is peeled, the seed looks ...
5
votes
1answer
243 views
What is this (seed/berry)-like object and where is it coming from?
I've been finding these little green (seed/berry) like objects in my garden for three years now.
This picture shows either a large variant or simply a later lifecycle stage of development.
At ...
1
vote
1answer
267 views
Previously frozen papaya seeds sprouted. How will it affect the plants?
I thought about asking this on Gardening SE, but it seems to me as a technical subject which requires biological expertise to answer. This is not something that usually occurs for gardeners, so I don'...
4
votes
1answer
14k views
What fruits will naturally ferment?
If left unpicked after the fruit ripens, what fruits may ferment instead of just rotting? My perception is that most fruits just rot.
I know figs will ferment. I'm guessing that this is because the ...
3
votes
1answer
889 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 ...
2
votes
0answers
38 views
On vs. off-plant ripening: which one yields a more nutritious fruit?
Many fruits may ripen either when attached to the plant, or once it is detached from the plant. Which option yields a more nutritious fruit? In other words, if one picks a fruit when it is still ...
3
votes
2answers
575 views
Indian tropical fruit trees and fruit bearing
Most Indian tropical fruit trees produce fruits in April-May. The best possible explanation for this is
optimum water availability for fruit production.
the heat allows quicker ripening of ...
2
votes
0answers
53 views
Pepper plant leaf curl and “sweating”
The "sweating" and leaf curl have been going on for about a week. I've done some extensive googling and have found mixed diagnoses. For context, the ambient temperature is 74°, I'm using 6,500 K lamps ...
25
votes
1answer
5k views
Why are many fruits sour?
Many fruits (like apples, berries, citrus fruits etc.) contain high levels of organic acids, especially malic acid and citric acid. Are there any evolutionary functions of those acids in ripe fruits? ...
39
votes
1answer
18k views
Why does a coconut have exactly three “holes”?
Why do coconuts have exactly three "holes", as seen in this picture?
A theory says:
As coconut is a sibling of palm, somehow long time ago, three palms were in a same husk. Based on evolution theory, ...
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votes
1answer
6k views
If I buy a banana at the market, is there any chance that an insect is hiding inside it? [closed]
I watched this horrifying video on Youtube. It shows movement beneath the skin of a banana and then a spider pushes it's way out.
Suffice to say I'm too scared to eat bananas anymore!
I would like ...
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vote
1answer
437 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?
4
votes
1answer
4k 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 ...
7
votes
1answer
3k views
How does coconut water solidify into hardened coconut meat?
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 ...
