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Avatar for aleema
Oct 12, 2022 2:30 PM CST
London, UK
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Although I recognise that they're not the same, the yellow berries are just like the more common red ones, but why are there yellow ones ?

For example, I've never come across purple ones.
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Oct 12, 2022 2:40 PM CST
Perthshire. SCOTLAND. UK
Garden Photography Region: United Kingdom Plant Identifier
1.Cotoneaster.
2. Pyracantha...berries can be red, orange or yellow .
Depending on the name.
https://www.google.com/search?...

Below is Pyracantha Soleil d'or
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Last edited by Silversurfer Oct 12, 2022 2:45 PM Icon for preview
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Oct 12, 2022 3:07 PM CST
Perthshire. SCOTLAND. UK
Garden Photography Region: United Kingdom Plant Identifier
aleema said:
For example, I've never come across purple ones.

see also above post

Look out for Callicarpa.
It has glorious tiny purple berries.


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Avatar for aleema
Oct 12, 2022 3:58 PM CST
London, UK
I believe that it must be Cotoneaster as they are without Pyracantha's thorns, but both largely interchangeable.

ref : https://www.mygarden.org/artic...

However, those Cotoneaster Adpressus seems to be native to China, not here in the UK.
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Oct 12, 2022 4:13 PM CST
Perthshire. SCOTLAND. UK
Garden Photography Region: United Kingdom Plant Identifier
aleema said: I believe that it must be Cotoneaster as they are without Pyracantha's thorns, but both largely interchangeable.

ref : https://www.mygarden.org/artic...

However, those Cotoneaster Adpressus seems to be native to China, not here in the UK.


In UK we grow many different species of Cotoneaster.
Some are tiny,eg Cotoneaster microphyllus.
While others are trees with large leaves.
https://www.google.com/search?...
There are ones with yellow berries.eg Cotoneaster Rothschildeanus.
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However when I zoom in on your 2nd image I can see thorns.
Sorry but it is Pyracantha..not Cotoneaster.
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Yes they are related. Both are in Rosaceae.
Quote wiki.
Cotoneaster...
Family: Rosaceae
Subfamily: Amygdaloideae
Tribe: Maleae
Subtribe: Malinae
Genus: Cotoneaster
..............................................
Pyracantha...
Family: Rosaceae
Subfamily: Amygdaloideae
Tribe: Maleae
Subtribe: Malinae
Genus: Pyracantha
Last edited by Silversurfer Oct 12, 2022 4:25 PM Icon for preview
Avatar for aleema
Oct 12, 2022 4:32 PM CST
London, UK
I can't be sure, but I don't think they are thorns, perhaps new shoots ?
Image
Oct 12, 2022 4:46 PM CST
Perthshire. SCOTLAND. UK
Garden Photography Region: United Kingdom Plant Identifier
aleema said: I can't be sure, but I don't think they are thorns, perhaps new shoots ?

Sorry I don't know how to draw a circle on a pic to show you the bit that looks like a spine.
Could you go back to check?
I am 99.99% positive it is a yellow/golden berried Pyracantha.
https://www.google.com/search?...

Maybe others from USA will join in tonight .
Last edited by Silversurfer Oct 12, 2022 4:47 PM Icon for preview
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Oct 12, 2022 5:42 PM CST
Name: Tofi
Sumatera, Indonesia
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Thorns can be any forms of pointy parts on plant. Some thorns are modified stipule , some are leaf appendages, some are modified pointy stem/shoots, and other types.
In Pyracantha the firethorn, as you say it, the thorny things are indeed pointy shoots.

I second Both ID provided by Silversurfer
Cotoneaster came in bit various color, like red, yellow and also dark almost black.
Pyracantha I think only in between red, orange or yellow.

If in the future people are interested in breeding new color on Cotoneaster fruits, it seems very possible, since there are dark colored Cotoneaster to begin hibridization with, such as C ambiguus, C lucidus and other.
Just like now we have purple tomatoes, ad pepper.

Below is the pointy shoots in your plants as thorn, in red circles
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Oct 13, 2022 2:20 AM CST
Perthshire. SCOTLAND. UK
Garden Photography Region: United Kingdom Plant Identifier
tofitropic said:

Below is the pointy shoots in your plants as thorn, in red circles
Thumb of 2022-10-12/tofitropic/068840


Brilliant.
Many thanks for doing that.
Avatar for aleema
Nov 19, 2022 9:21 AM CST
London, UK
I took a different path today and came across these !

It looks like I now have the complete set.
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Nov 19, 2022 10:10 AM CST
Perthshire. SCOTLAND. UK
Garden Photography Region: United Kingdom Plant Identifier
aleema said: I took a different path today and came across these !

It looks like I now have the complete set.
Thumb of 2022-11-19/aleema/bf0c74

This is something different again.
It has leaves that are opposite.
It is Symphoricarpos sp .
The common one has white berries..while others are this beautiful pink /purple colour.

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Avatar for porkpal
Nov 19, 2022 11:34 AM CST
Name: Porkpal
Richmond, TX (Zone 9a)
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I have only seen the white one. I didn't recognize it dressed in purple
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Nov 19, 2022 1:27 PM CST
Perthshire. SCOTLAND. UK
Garden Photography Region: United Kingdom Plant Identifier
This one is Symphoricarpos doorenbosii Magic berry from my previous garden.

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Last edited by Silversurfer Nov 19, 2022 1:29 PM Icon for preview
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Nov 27, 2022 9:45 PM CST
Name: John
Scott County, KY (Zone 5b)
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If aleema is resolute in the belief that there are no thorns on the yellow fruited plant, then prove thus by leaping into it.

Proof will be in the putting...
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As for the Symphoricarpos sp. situation...I will have to sentence porkpal to the customary 50 lashes with a wet Equisetum.

Symphoricarpos orbiculatus - Coralberry - is native over a lot of the eastern U.S., from Pennsylvania westward to Kansas and stretching south through most of Oklahoma into...Texas.

It is native here at the Valley, and in almost all of Kentucky. A tough little colonizing shrub, it flowers heavier and sets more fruit in sun but does an admirable yeoman's job even in the droughty shade of Hackberry, Black Locust, Honey-locust, and Walnut. Inconspicuous flowers are followed by coral pinkish red to magenta purple fruit which persist through winter.

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Avatar for aleema
Dec 4, 2022 5:22 PM CST
London, UK
Is this Symphoricarpos Doorenbosii ?
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Dec 4, 2022 8:43 PM CST
Name: Lee-Roy
Bilzen, Belgium (Zone 8a)
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aleema said:

Although I recognise that they're not the same, the yellow berries are just like the more common red ones, but why are there yellow ones ?

For example, I've never come across purple ones.



Well, on a chemical and physical scale, the color of berries depends on the molecules produced by the plant and concentrated in the berries, which can be for a veriety of reasons: to attract or deter animals, camouflage, protection from the elements or microorganisms...These molecules absorb certain wavelengths and reflect others (the latter ones you detect as color).

Carotenoids are a group of molecules (organic pigments) produced by plants that reflect mainly yellow and red wavelengths.
Anthocyanins in contrast reflect red and blue wavelengths. They are 'rarer' than carotenoids.

These molecules may be present simultaneously, but the concentration of said molecules defines the ultimate visible color.

Leaves contain LOTS of chlorophyll to maximize their photosynthetic potential and this molecule reflects most of the green light. They also contain carotenoids for various reasons, but in vastly smaller concentrations. Thus the reflected light from the carotenoids is outshone by that of the chlorophyll, thus leaves appear green to you and me.
This scenario is visualized dramatically in autumn as leaves turn from green to yellow, orange, red, brown or purple: The plant draws the chlorophyll molecules out from the leaves into its woody tissue as reserves during winter, leaving the carotenoids behind. The latter's relative concentration in the leaves increases, and so does its portion in the reflected light.


So why have you not come across purple berries? Depends if you're talking about general berries/fruits...There are LOTS of examples as given by people before me.
Or if you're talking about these specific plant species...They simply do not have the genetic ability to produce anthocyanins - either in great enough quantities or at all - to produce purple berries. Maybe one day someone will breed one though...
Last edited by Arico Dec 5, 2022 12:02 PM Icon for preview
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Dec 5, 2022 7:20 AM CST
Name: Sally
central Maryland (Zone 7b)
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thanks Arico, great explanation
Plant it and they will come.
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