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#1
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What kind of plant correction
I seem to have messed up with the url, this works better:-
http://i34.tinypic.com/153y7g9.jpg Dave C. |
#2
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What kind of plant correction
In message , DC
writes I seem to have messed up with the url, this works better:- http://i34.tinypic.com/153y7g9.jpg Dave C. Phalaenopis (moth orchid), I think, but I've no idea which one. -- Stewart Robert Hinsley |
#3
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What kind of plant correction
"DC" wrote ... I seem to have messed up with the url, this works better:- http://i34.tinypic.com/153y7g9.jpg Certainly a Phalaenopsis orchid hybrid. Don't like the pot it's in, the roots need to get light. -- Regards Bob Hobden |
#4
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What kind of plant correction
Bob wrote:
Certainly a Phalaenopsis orchid hybrid. Don't like the pot it's in, the roots need to get light. Funny you should mention this Bob, because it was the topic of a lengthy conversation I was having with someone only yesterday. Phals are all epiphytic or lithophytic orchids and as such, the vast majority of their roots are exposed to light in their natural habitat. They readily develop chlorophyll as do many other epiphytic orchids. This must help in augmenting the photosynthetic processes in the leaves to some degree, although I very much doubt that it becomes an essential function. Possibly there are a couple of exceptions amongst species with very wayward rooting habits. P. schilleriana seems to determinedly push its flattened, silvery green roots out into the air and I've only ever grown it well in a basket loosely filled with a couple of big tree fern chunks, from which the roots hang in copious quantities. If they grow close to any remotely porous surface, they adhere with considerable tenacity. Similarly P. stuartiana although I've only ever admired that in a botanical garden collection where its roots hung down from an empty basket into the water of a heated pool below. I've never managed to persuade P. schilleriana to live happily in any pot without all of its roots remaining on the compost surface and reaching out into the air. Other species seem much more amenable and it is from these: Ps. amabilis, cornu-cervi, mannii, violacea etc plus Doritis sp. that most of the hybrids are derived. Until very recently, Phalaenopsis hybrids have been grown in normal pots or baskets and many nurseries still grow them in this way. In fact they have been grown very successfully in a conventional manner since their introduction into this country during the 1830's and the clear plastic pots have only been doing the rounds in the past 10 years or so. I personally dislike the clear pots and whenever I bring one home from a garden centre, supermarket or diy shed, the first thing I do is to rehouse it into a normal pot without subsequent detriment to the plant. Inevitably some roots grow along the surface of the compost and reach out into the air, but a high proportion head down into the compost and remain in the dark. There's absolutely no harm in growing them in clear pots, but I'm convinced this innovation has more to do with style than address the absolute needs of the plant. |
#5
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What kind of plant correction
"Dave Poole" wrote after Bob wrote: Certainly a Phalaenopsis orchid hybrid. Don't like the pot it's in, the roots need to get light. Funny you should mention this Bob, because it was the topic of a lengthy conversation I was having with someone only yesterday. Phals are all epiphytic or lithophytic orchids and as such, the vast majority of their roots are exposed to light in their natural habitat. They readily develop chlorophyll as do many other epiphytic orchids. This must help in augmenting the photosynthetic processes in the leaves to some degree, although I very much doubt that it becomes an essential function. Possibly there are a couple of exceptions amongst species with very wayward rooting habits. P. schilleriana seems to determinedly push its flattened, silvery green roots out into the air and I've only ever grown it well in a basket loosely filled with a couple of big tree fern chunks, from which the roots hang in copious quantities. If they grow close to any remotely porous surface, they adhere with considerable tenacity. Similarly P. stuartiana although I've only ever admired that in a botanical garden collection where its roots hung down from an empty basket into the water of a heated pool below. I've never managed to persuade P. schilleriana to live happily in any pot without all of its roots remaining on the compost surface and reaching out into the air. Other species seem much more amenable and it is from these: Ps. amabilis, cornu-cervi, mannii, violacea etc plus Doritis sp. that most of the hybrids are derived. Until very recently, Phalaenopsis hybrids have been grown in normal pots or baskets and many nurseries still grow them in this way. In fact they have been grown very successfully in a conventional manner since their introduction into this country during the 1830's and the clear plastic pots have only been doing the rounds in the past 10 years or so. I personally dislike the clear pots and whenever I bring one home from a garden centre, supermarket or diy shed, the first thing I do is to rehouse it into a normal pot without subsequent detriment to the plant. Inevitably some roots grow along the surface of the compost and reach out into the air, but a high proportion head down into the compost and remain in the dark. There's absolutely no harm in growing them in clear pots, but I'm convinced this innovation has more to do with style than address the absolute needs of the plant. I like the clear pots as it allows me to see the roots and compost at all times and therefore judge when to water. I am also able to monitor the health of the roots without tipping the plant out of the pot, I think this is important as I've always considered the roots of these orchids the key to success. Keep the roots growing and the plants OK. My preferred compost is a mixture of live Sphagnum moss and bark chippings. When I used the normal coloured plastic pots I found the roots tended to climb out of the pot and, as you mentioned, stick onto anything around if you weren't careful, which caused serious damage when they needed moving. Spraying the air roots with rainwater is a bore, having to take care not to leave water in the crown. Since using the clear pots I've not had one plant throw roots out of the pot so no spraying needed. There are close relatives that have no leaves and complete all their photosynthesis through their roots which has always convinced me that giving the Phal roots light must be beneficial to the plant, maybe not essential, but beneficial. -- Regards Bob Hobden |
#6
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What kind of plant correction
Bob Hobden wrote:
"Dave Poole" wrote after Bob wrote: Certainly a Phalaenopsis orchid hybrid. Don't like the pot it's in, the roots need to get light. Funny you should mention this Bob, because it was the topic of a lengthy conversation I was having with someone only yesterday. Phals are all epiphytic or lithophytic orchids and as such, the vast majority of their roots are exposed to light in their natural habitat. They readily develop chlorophyll as do many other epiphytic orchids. This must help in augmenting the photosynthetic processes in the leaves to some degree, although I very much doubt that it becomes an essential function. Possibly there are a couple of exceptions amongst species with very wayward rooting habits. P. schilleriana seems to determinedly push its flattened, silvery green roots out into the air and I've only ever grown it well in a basket loosely filled with a couple of big tree fern chunks, from which the roots hang in copious quantities. If they grow close to any remotely porous surface, they adhere with considerable tenacity. Similarly P. stuartiana although I've only ever admired that in a botanical garden collection where its roots hung down from an empty basket into the water of a heated pool below. I've never managed to persuade P. schilleriana to live happily in any pot without all of its roots remaining on the compost surface and reaching out into the air. Other species seem much more amenable and it is from these: Ps. amabilis, cornu-cervi, mannii, violacea etc plus Doritis sp. that most of the hybrids are derived. Until very recently, Phalaenopsis hybrids have been grown in normal pots or baskets and many nurseries still grow them in this way. In fact they have been grown very successfully in a conventional manner since their introduction into this country during the 1830's and the clear plastic pots have only been doing the rounds in the past 10 years or so. I personally dislike the clear pots and whenever I bring one home from a garden centre, supermarket or diy shed, the first thing I do is to rehouse it into a normal pot without subsequent detriment to the plant. Inevitably some roots grow along the surface of the compost and reach out into the air, but a high proportion head down into the compost and remain in the dark. There's absolutely no harm in growing them in clear pots, but I'm convinced this innovation has more to do with style than address the absolute needs of the plant. I like the clear pots as it allows me to see the roots and compost at all times and therefore judge when to water. I am also able to monitor the health of the roots without tipping the plant out of the pot, I think this is important as I've always considered the roots of these orchids the key to success. Keep the roots growing and the plants OK. My preferred compost is a mixture of live Sphagnum moss and bark chippings. When I used the normal coloured plastic pots I found the roots tended to climb out of the pot and, as you mentioned, stick onto anything around if you weren't careful, which caused serious damage when they needed moving. Spraying the air roots with rainwater is a bore, having to take care not to leave water in the crown. Since using the clear pots I've not had one plant throw roots out of the pot so no spraying needed. There are close relatives that have no leaves and complete all their photosynthesis through their roots which has always convinced me that giving the Phal roots light must be beneficial to the plant, maybe not essential, but beneficial. Phew!, You gentlemen really know your subject! Thanks for the pointers. The plant was, in fact, in a clear pot inside the green one. So I've put that in a broader one to let in more light. Also found some hints on OrchidWeb.com . Thanks again. Dave C. |
#7
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What kind of plant correction
Bob Hobden wrote:
There are close relatives that have no leaves and complete all their photosynthesis through their roots which has always convinced me that giving the Phal roots light must be beneficial to the plant, maybe not essential, but beneficial. I don't often keep up with taxonomic revisions, but I seem to recall than many of the so-called leafless 'Angraecoids' were moved to the Campylocentrinae leaving just a few aberrant genera such as Microcoelia and Chiloschista, which are very close to Sarcanthus and somewhat distant from Phalaenopsis. I grew M. Guyoniana for a few years many moons ago. It consisted of an untidy, radiating cluster of faintly orange-tinted grey roots most of which hung free with less than half adhering to the bark on which they were growing. Absolutely fascinating the way that these plants have done away with foliage and exist solely as a mass of roots arising from a very abbreviated rhizome. The Microcoelia seemed to do well suspended just above a mist propagator, in full light where contrary to the accepted rule of the day for these orchids, temps occasionally fell to 10C in winter without problems. It flowered once before I passed it on, producing quite a few short, erect spikes of very tiny, glittering white flowers. Very strange plants indeed and apparent success with this had me trying to get hold of that ultimate and spectacular 'ghost orchid' - Polyrrhiza lindenii for a while. Of course it never became available. Nursery life took over and I had to content myself with satisfying the needs of the suburban gardener rather than pander to my own eclectic tastes. |
#8
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What kind of plant correction
"Dave Poole" wrote Bob Hobden wrote: There are close relatives that have no leaves and complete all their photosynthesis through their roots which has always convinced me that giving the Phal roots light must be beneficial to the plant, maybe not essential, but beneficial. I don't often keep up with taxonomic revisions, but I seem to recall than many of the so-called leafless 'Angraecoids' were moved to the Campylocentrinae leaving just a few aberrant genera such as Microcoelia and Chiloschista, which are very close to Sarcanthus and somewhat distant from Phalaenopsis. I grew M. Guyoniana for a few years many moons ago. It consisted of an untidy, radiating cluster of faintly orange-tinted grey roots most of which hung free with less than half adhering to the bark on which they were growing. Absolutely fascinating the way that these plants have done away with foliage and exist solely as a mass of roots arising from a very abbreviated rhizome. The Microcoelia seemed to do well suspended just above a mist propagator, in full light where contrary to the accepted rule of the day for these orchids, temps occasionally fell to 10C in winter without problems. It flowered once before I passed it on, producing quite a few short, erect spikes of very tiny, glittering white flowers. Very strange plants indeed and apparent success with this had me trying to get hold of that ultimate and spectacular 'ghost orchid' - Polyrrhiza lindenii for a while. Of course it never became available. Nursery life took over and I had to content myself with satisfying the needs of the suburban gardener rather than pander to my own eclectic tastes. I was thinking more of... http://www.flickr.com/photos/aeranthes/2809572565/ (Although I thought it was now moved out of Phal) than http://en.wikipedia.org/wiki/Dendrophylax_lindenii Which has been moved! I just can't keep up with the "splitters". -- Regards Bob Hobden |
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