Stack Exchange Network

Stack Exchange network consists of 174 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [fruit]

Fruits develop from the flower of plants and hold the seeds. They are the way of plants to distribute their seeds.

1
vote
0answers
27 views

What's this orange jelly on pomelo? [migrated]

I was peeling my pomelo when I noticed this orange gelatinous substance between slices. No other places were found and the fruit looks good from inside. Is it safe to eat?
0
votes
0answers
10 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
vote
0answers
32 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
votes
0answers
18 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
votes
1answer
71 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
votes
1answer
19 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
votes
2answers
330 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
103 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
votes
1answer
66 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
votes
0answers
60 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
37 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
votes
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
votes
1answer
60 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
votes
1answer
81 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?
0
votes
0answers
41 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
76 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
138 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 ...
0
votes
0answers
41 views

Dangerous fruits some people are immune to?

Are there known fruits/vegetables that are poisonous (or dangerous in some other way) that aborigines can eat (they're immune to their harmful effects) but foreigners can not? What I'm asking about is ...
2
votes
4answers
139 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
276 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
63 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
votes
1answer
132 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
4k 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
398 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?
-1
votes
2answers
683 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
2k 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
27 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
217 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
82 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
45 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
186 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
132 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
362 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
2k 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
167 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?
1
vote
1answer
171 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 ...
1
vote
1answer
251 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
13k 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
849 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
562 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
50 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
4k 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
17k 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, ...
-1
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 ...
1
vote
1answer
417 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
3k 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
2k 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 ...
2
votes
1answer
2k views

Why are clementines easier to peel than oranges?

In my experience, clementines have been significantly easier to peel by hand than and orange. The skin of the orange seems to cling to the rest of the orange much more so than the skin of the ...