Questions tagged [fruit]

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

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1answer
23 views

Calculating the ripeness rate in fruits

I need a way to calculate avocado ripeness rate in my experiment so I need a quantitative way, I'm not sure if calculating the cellular respiration for the avocado will result in ripeness rate for the ...
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Folded stem on apples - does it have a name?

I have some Newton Wonder apple trees. One feature of the apples it bears is that the flesh around the stalk is occasionally elongated out of the calyx. Below is a picture that shows this on the near ...
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1answer
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Identify this unusually-shaped, orange-colored fruit that grows in pairs?

The photos below were taken on the island of Penghu in the Taiwan straight in October. This was in a public place and the small tree (about 3 meters tall, trunk perhaps 8 to 10 cm diameter) had ...
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What species is this? What the fruit?

The berries of the fruit are sweet. The tree is growing in Israel.
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1answer
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Why do watermelons have a rind? [closed]

Random questions come up when talking with friends - such as this one! We were curious: what are watermelon rinds good for? So what benefits does it give the watermelon? Why did mother nature give it ...
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3answers
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Why are sugars in whole fruits not digested the same way sugars in juice are?

In this paper of the WHO, it is claimed that we should limit our consumption of free sugars: WHO recommends a reduced intake of free sugars throughout the lifecourse. [...] Free sugars include ...
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2answers
150 views

Why does this plum/apricot hybrid look like brains?

Why does this plum/apricot hybrid look like brains? Notes: Here's a photo of what a normal fruit on the tree looks like. Location is Zone 5, east of Toronto. There are about 20 other fruits on the ...
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24 views

Do lychees cause encephalitis?

In India, there is a recent outbreak of this disease after many consumed lychees. Many people link this to lychee's "toxins". I'm not a biology major hence can't elaborate further on this, but here ...
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2answers
129 views

What is this fruit

What is this fruit? Is it edible? Found it in my backyard, in the Lehigh valley, eastern PA. Here's the photo:
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1answer
51 views

What kind of ribes is this?

I have a plant in my USDA zone 5 garden that appears to be in the ribes genus. Details: The location is east of Toronto (Ontario, Canada). The plant is currently flowering (today is May 18th, 2019)....
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1answer
36 views

Growth on raspberry cane: What is it?

I have raspberries growing in my garden. One of the raspberry canes has some sort of growth on it. Size: Approximately 2 inches long Location: Zone 5; east of Toronto, Ontario, Canada Date: April 4, ...
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Identify this plant from Bangladesh

It's bearing fruits near it's base which seems pretty unusual. Location: Risang Waterfall, Khagrachhari, Bangladesh
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1answer
91 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'...
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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 ...
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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 ...
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51 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 >...
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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 ...
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1answer
86 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 ...
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1answer
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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.
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2answers
909 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.
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2answers
181 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 ...
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1answer
91 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. ...
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0answers
66 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 ...
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1answer
71 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 ...
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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.
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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.
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160 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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1answer
105 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 ...
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1answer
501 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 ...
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4answers
177 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 ...
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2answers
480 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, ...
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124 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 ...
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1answer
269 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 ...
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3answers
6k 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-...
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1answer
706 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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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 ...
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3answers
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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 ...
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32 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 ...
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379 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"?
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1answer
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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 ...
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49 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 ...
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1answer
199 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 ...
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225 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 ...
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1answer
607 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 ...
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1answer
4k 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 ...
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49 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 ...
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1answer
187 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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1answer
318 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 ...
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1answer
281 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 ...
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1answer
327 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'...