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Interestingly deformed protea flower
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I have a protea growing in my garden. It has many young flowers on it at the moment (September 2018, early spring in Melbourne). One of the flowers is deformed, growing in an interesting almost fractal shape. Is this sort of deformity common? What causes it?
I have included a picture of a normal flower from the same plant below.
flowers
asked 7 hours ago
CJ Dennis
228129
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up vote
2
down vote
favorite
I have a protea growing in my garden. It has many young flowers on it at the moment (September 2018, early spring in Melbourne). One of the flowers is deformed, growing in an interesting almost fractal shape. Is this sort of deformity common? What causes it?
I have included a picture of a normal flower from the same plant below.
flowers
asked 7 hours ago
CJ Dennis
228129
add a comment |Â
up vote
2
down vote
favorite
up vote
2
down vote
favorite
I have a protea growing in my garden. It has many young flowers on it at the moment (September 2018, early spring in Melbourne). One of the flowers is deformed, growing in an interesting almost fractal shape. Is this sort of deformity common? What causes it?
I have included a picture of a normal flower from the same plant below.
flowers
asked 7 hours ago
CJ Dennis
228129
I have a protea growing in my garden. It has many young flowers on it at the moment (September 2018, early spring in Melbourne). One of the flowers is deformed, growing in an interesting almost fractal shape. Is this sort of deformity common? What causes it?
I have included a picture of a normal flower from the same plant below.
flowers
flowers
asked 7 hours ago
CJ Dennis
228129
asked 7 hours ago
CJ Dennis
228129
asked 7 hours ago
CJ Dennis
228129
asked 7 hours ago
CJ Dennis
228129
asked 7 hours ago
CJ Dennis
228129
228129
add a comment |Â
add a comment |Â
2 Answers
2
active
oldest
votes
up vote
2
down vote
This appears to be an example of "cresting" or fasciation. It can happen on a number of species, perhaps the best known is the Celosia group (Crested cockscomb). One way to look at this is as the flower is being generated at the cellular level in normal circumstances each component of the flower will have its place in the spiral arrangement. Each has an individual numbered place and so does not challenge a neighbour for room to grow normally. However for various reasons (cold weather, insect attack, bacterial infection) individual parts can be "assigned the same number" and try to grow together in the same physical location pushing each other aside. This can be accompanied by hormonal imbalances and results in something of an interesting tangle.
answered 5 hours ago
Colin Beckingham
5,414326
I've seen fasciation (but never knew the word before) on wisteria and dandelion. It normally makes a round stem (or other plant part) ribbon-like. This seems a bit different in that the flower is still round overall.
– CJ Dennis
5 hours ago
RHS mentions "Flattened elongated or misshapen flower heads"
– Colin Beckingham
4 hours ago
I agree that all fasciation is misshapen, but not that all misshapenness is fasciation. Maybe you're right, but I'll wait to see if any alternative theories pop up.
– CJ Dennis
4 hours ago
1
Fasciation derives from fasces or bundle. My thinking is that the bundling sometimes results in elongation, but is not a requirement. Yes, you are right to wait for other ideas.
– Colin Beckingham
3 hours ago
add a comment |Â
up vote
1
down vote
This is a bit of a knotty subject - there are two named 'disorders' that cause oddly mutated flowers or stems; one is fasciation, and the other is proliferation. The latter usually only affects the flowers, but sometimes there is evidence of fasciation in the stem as well, whereas fasciation usually affects stems, but also can affect flowers. On examining that mutated flower in your top picture, it does appear almost as if one, two or three flowers have appeared in the same flowerhead causing this odd looking flower, with no apparent fasciation of the stem, in which case, it's more likely proliferation - but the dividing line is a grey area!
The cause is essentially the same in both conditions; it's a mutation caused by a disturbance or break in the genetic code. As to what causes that, it might be weather conditions at the time the growing tip or flower was just beginning to form, viral, bacterial, physical damage, or simply an internal genetic DNA blip. It generally occurs on just the one flower (but not always) and subsequent flowers are perfectly normal, but the phenomenon may be more common on some plants than others - some roses varieties can be more prone to proliferation. Info on Fasciation https://www.rhs.org.uk/advice/profile?pid=525 and more on Proliferation https://www.rhs.org.uk/advice/profile?PID=634
answered 1 hour ago
Bamboo
105k253138
add a comment |Â
2 Answers
2
active
oldest
votes
2 Answers
2
active
oldest
votes
active
oldest
votes
active
oldest
votes
up vote
2
down vote
This appears to be an example of "cresting" or fasciation. It can happen on a number of species, perhaps the best known is the Celosia group (Crested cockscomb). One way to look at this is as the flower is being generated at the cellular level in normal circumstances each component of the flower will have its place in the spiral arrangement. Each has an individual numbered place and so does not challenge a neighbour for room to grow normally. However for various reasons (cold weather, insect attack, bacterial infection) individual parts can be "assigned the same number" and try to grow together in the same physical location pushing each other aside. This can be accompanied by hormonal imbalances and results in something of an interesting tangle.
answered 5 hours ago
Colin Beckingham
5,414326
I've seen fasciation (but never knew the word before) on wisteria and dandelion. It normally makes a round stem (or other plant part) ribbon-like. This seems a bit different in that the flower is still round overall.
– CJ Dennis
5 hours ago
RHS mentions "Flattened elongated or misshapen flower heads"
– Colin Beckingham
4 hours ago
I agree that all fasciation is misshapen, but not that all misshapenness is fasciation. Maybe you're right, but I'll wait to see if any alternative theories pop up.
– CJ Dennis
4 hours ago
1
Fasciation derives from fasces or bundle. My thinking is that the bundling sometimes results in elongation, but is not a requirement. Yes, you are right to wait for other ideas.
– Colin Beckingham
3 hours ago
add a comment |Â
up vote
2
down vote
This appears to be an example of "cresting" or fasciation. It can happen on a number of species, perhaps the best known is the Celosia group (Crested cockscomb). One way to look at this is as the flower is being generated at the cellular level in normal circumstances each component of the flower will have its place in the spiral arrangement. Each has an individual numbered place and so does not challenge a neighbour for room to grow normally. However for various reasons (cold weather, insect attack, bacterial infection) individual parts can be "assigned the same number" and try to grow together in the same physical location pushing each other aside. This can be accompanied by hormonal imbalances and results in something of an interesting tangle.
answered 5 hours ago
Colin Beckingham
5,414326
I've seen fasciation (but never knew the word before) on wisteria and dandelion. It normally makes a round stem (or other plant part) ribbon-like. This seems a bit different in that the flower is still round overall.
– CJ Dennis
5 hours ago
RHS mentions "Flattened elongated or misshapen flower heads"
– Colin Beckingham
4 hours ago
I agree that all fasciation is misshapen, but not that all misshapenness is fasciation. Maybe you're right, but I'll wait to see if any alternative theories pop up.
– CJ Dennis
4 hours ago
1
Fasciation derives from fasces or bundle. My thinking is that the bundling sometimes results in elongation, but is not a requirement. Yes, you are right to wait for other ideas.
– Colin Beckingham
3 hours ago
add a comment |Â
up vote
2
down vote
up vote
2
down vote
This appears to be an example of "cresting" or fasciation. It can happen on a number of species, perhaps the best known is the Celosia group (Crested cockscomb). One way to look at this is as the flower is being generated at the cellular level in normal circumstances each component of the flower will have its place in the spiral arrangement. Each has an individual numbered place and so does not challenge a neighbour for room to grow normally. However for various reasons (cold weather, insect attack, bacterial infection) individual parts can be "assigned the same number" and try to grow together in the same physical location pushing each other aside. This can be accompanied by hormonal imbalances and results in something of an interesting tangle.
answered 5 hours ago
Colin Beckingham
5,414326
This appears to be an example of "cresting" or fasciation. It can happen on a number of species, perhaps the best known is the Celosia group (Crested cockscomb). One way to look at this is as the flower is being generated at the cellular level in normal circumstances each component of the flower will have its place in the spiral arrangement. Each has an individual numbered place and so does not challenge a neighbour for room to grow normally. However for various reasons (cold weather, insect attack, bacterial infection) individual parts can be "assigned the same number" and try to grow together in the same physical location pushing each other aside. This can be accompanied by hormonal imbalances and results in something of an interesting tangle.
answered 5 hours ago
Colin Beckingham
5,414326
answered 5 hours ago
Colin Beckingham
5,414326
answered 5 hours ago
Colin Beckingham
5,414326
answered 5 hours ago
Colin Beckingham
5,414326
5,414326
I've seen fasciation (but never knew the word before) on wisteria and dandelion. It normally makes a round stem (or other plant part) ribbon-like. This seems a bit different in that the flower is still round overall.
– CJ Dennis
5 hours ago
RHS mentions "Flattened elongated or misshapen flower heads"
– Colin Beckingham
4 hours ago
I agree that all fasciation is misshapen, but not that all misshapenness is fasciation. Maybe you're right, but I'll wait to see if any alternative theories pop up.
– CJ Dennis
4 hours ago
1
Fasciation derives from fasces or bundle. My thinking is that the bundling sometimes results in elongation, but is not a requirement. Yes, you are right to wait for other ideas.
– Colin Beckingham
3 hours ago
add a comment |Â
I've seen fasciation (but never knew the word before) on wisteria and dandelion. It normally makes a round stem (or other plant part) ribbon-like. This seems a bit different in that the flower is still round overall.
– CJ Dennis
5 hours ago
RHS mentions "Flattened elongated or misshapen flower heads"
– Colin Beckingham
4 hours ago
I agree that all fasciation is misshapen, but not that all misshapenness is fasciation. Maybe you're right, but I'll wait to see if any alternative theories pop up.
– CJ Dennis
4 hours ago
1
Fasciation derives from fasces or bundle. My thinking is that the bundling sometimes results in elongation, but is not a requirement. Yes, you are right to wait for other ideas.
– Colin Beckingham
3 hours ago
I've seen fasciation (but never knew the word before) on wisteria and dandelion. It normally makes a round stem (or other plant part) ribbon-like. This seems a bit different in that the flower is still round overall.
– CJ Dennis
5 hours ago
I've seen fasciation (but never knew the word before) on wisteria and dandelion. It normally makes a round stem (or other plant part) ribbon-like. This seems a bit different in that the flower is still round overall.
– CJ Dennis
5 hours ago
RHS mentions "Flattened elongated or misshapen flower heads"
– Colin Beckingham
4 hours ago
RHS mentions "Flattened elongated or misshapen flower heads"
– Colin Beckingham
4 hours ago
I agree that all fasciation is misshapen, but not that all misshapenness is fasciation. Maybe you're right, but I'll wait to see if any alternative theories pop up.
– CJ Dennis
4 hours ago
I agree that all fasciation is misshapen, but not that all misshapenness is fasciation. Maybe you're right, but I'll wait to see if any alternative theories pop up.
– CJ Dennis
4 hours ago
1
1
Fasciation derives from fasces or bundle. My thinking is that the bundling sometimes results in elongation, but is not a requirement. Yes, you are right to wait for other ideas.
– Colin Beckingham
3 hours ago
Fasciation derives from fasces or bundle. My thinking is that the bundling sometimes results in elongation, but is not a requirement. Yes, you are right to wait for other ideas.
– Colin Beckingham
3 hours ago
add a comment |Â
up vote
1
down vote
This is a bit of a knotty subject - there are two named 'disorders' that cause oddly mutated flowers or stems; one is fasciation, and the other is proliferation. The latter usually only affects the flowers, but sometimes there is evidence of fasciation in the stem as well, whereas fasciation usually affects stems, but also can affect flowers. On examining that mutated flower in your top picture, it does appear almost as if one, two or three flowers have appeared in the same flowerhead causing this odd looking flower, with no apparent fasciation of the stem, in which case, it's more likely proliferation - but the dividing line is a grey area!
The cause is essentially the same in both conditions; it's a mutation caused by a disturbance or break in the genetic code. As to what causes that, it might be weather conditions at the time the growing tip or flower was just beginning to form, viral, bacterial, physical damage, or simply an internal genetic DNA blip. It generally occurs on just the one flower (but not always) and subsequent flowers are perfectly normal, but the phenomenon may be more common on some plants than others - some roses varieties can be more prone to proliferation. Info on Fasciation https://www.rhs.org.uk/advice/profile?pid=525 and more on Proliferation https://www.rhs.org.uk/advice/profile?PID=634
answered 1 hour ago
Bamboo
105k253138
add a comment |Â
up vote
1
down vote
This is a bit of a knotty subject - there are two named 'disorders' that cause oddly mutated flowers or stems; one is fasciation, and the other is proliferation. The latter usually only affects the flowers, but sometimes there is evidence of fasciation in the stem as well, whereas fasciation usually affects stems, but also can affect flowers. On examining that mutated flower in your top picture, it does appear almost as if one, two or three flowers have appeared in the same flowerhead causing this odd looking flower, with no apparent fasciation of the stem, in which case, it's more likely proliferation - but the dividing line is a grey area!
The cause is essentially the same in both conditions; it's a mutation caused by a disturbance or break in the genetic code. As to what causes that, it might be weather conditions at the time the growing tip or flower was just beginning to form, viral, bacterial, physical damage, or simply an internal genetic DNA blip. It generally occurs on just the one flower (but not always) and subsequent flowers are perfectly normal, but the phenomenon may be more common on some plants than others - some roses varieties can be more prone to proliferation. Info on Fasciation https://www.rhs.org.uk/advice/profile?pid=525 and more on Proliferation https://www.rhs.org.uk/advice/profile?PID=634
answered 1 hour ago
Bamboo
105k253138
add a comment |Â
up vote
1
down vote
up vote
1
down vote
This is a bit of a knotty subject - there are two named 'disorders' that cause oddly mutated flowers or stems; one is fasciation, and the other is proliferation. The latter usually only affects the flowers, but sometimes there is evidence of fasciation in the stem as well, whereas fasciation usually affects stems, but also can affect flowers. On examining that mutated flower in your top picture, it does appear almost as if one, two or three flowers have appeared in the same flowerhead causing this odd looking flower, with no apparent fasciation of the stem, in which case, it's more likely proliferation - but the dividing line is a grey area!
The cause is essentially the same in both conditions; it's a mutation caused by a disturbance or break in the genetic code. As to what causes that, it might be weather conditions at the time the growing tip or flower was just beginning to form, viral, bacterial, physical damage, or simply an internal genetic DNA blip. It generally occurs on just the one flower (but not always) and subsequent flowers are perfectly normal, but the phenomenon may be more common on some plants than others - some roses varieties can be more prone to proliferation. Info on Fasciation https://www.rhs.org.uk/advice/profile?pid=525 and more on Proliferation https://www.rhs.org.uk/advice/profile?PID=634
answered 1 hour ago
Bamboo
105k253138
This is a bit of a knotty subject - there are two named 'disorders' that cause oddly mutated flowers or stems; one is fasciation, and the other is proliferation. The latter usually only affects the flowers, but sometimes there is evidence of fasciation in the stem as well, whereas fasciation usually affects stems, but also can affect flowers. On examining that mutated flower in your top picture, it does appear almost as if one, two or three flowers have appeared in the same flowerhead causing this odd looking flower, with no apparent fasciation of the stem, in which case, it's more likely proliferation - but the dividing line is a grey area!
The cause is essentially the same in both conditions; it's a mutation caused by a disturbance or break in the genetic code. As to what causes that, it might be weather conditions at the time the growing tip or flower was just beginning to form, viral, bacterial, physical damage, or simply an internal genetic DNA blip. It generally occurs on just the one flower (but not always) and subsequent flowers are perfectly normal, but the phenomenon may be more common on some plants than others - some roses varieties can be more prone to proliferation. Info on Fasciation https://www.rhs.org.uk/advice/profile?pid=525 and more on Proliferation https://www.rhs.org.uk/advice/profile?PID=634
answered 1 hour ago
Bamboo
105k253138
edited 1 hour ago
answered 1 hour ago
Bamboo
105k253138
answered 1 hour ago
Bamboo
105k253138
answered 1 hour ago
Bamboo
105k253138
105k253138
add a comment |Â
add a comment |Â
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