In bloom this morning; a not so commonly seen species that was once known as stonei var latifoilium.
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Paph. platyphyllum
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Justin
Well-Known Member
Nice yellow.
Thanks for sharing. Looks more kolo than stonei.
SlipperKing
Madd Virologist
Too nice to be in Illinois. Tom you better send it to TX
Sent from my SGH-T999 using Tapatalk
Sent from my SGH-T999 using Tapatalk
Trithor
Chico (..... the clown)
I was thinking that it looks like a natural hybrid of the two.
First picture I have seen of one. What does the plant look like? Thanks for sharing.
polyantha
Well-Known Member
Nice! Mine are still many years from flowering. A very special plant, whatever it is. Species, natural hybrid, I still don't know. Does someone here on the forum know if they are found in colonies where all the plants have the same flowers or if there are only very few plants found? Another thing that would be interesting to know is if the plants are separated from colonies of stonei and kolo or if they live in the same area and mixed with the other plants.
In Orchid Digest 3/2003 you can find following informations by Robert-Jan W. Quene:
Dr. Yoshishige Tachibana first discovered and collected plants of P. platyphyllum in 1964, when he found a population of about 30 plants growing together with Alocasia and Aglaonema on limestone rock in front of a huge cave at an elevation of 800 m, near the summit of Bukit Kana, Tachibana collected about 20 plants of which 15 were given to Fumimasa Sugiyama of Yamato-Noen Orchids.
A few years later, Sugiyama sent a division as an unknown species to Norwood Schafer in Baltimore, Maryland, who then sent it to George Kennedy in California. Kennedy named his plant P. stonei var. latifolium "Ruth Kennedy''. It received a High Class Certificate (HCC) in 7979 from the American Orchid Society (AOS)and an Award of Merit (AM) in 1981.
After Paphiopedilum kolopakingii was discovered and described in 1987, it was noted that Kennedy's plant, P. stonei var. latifolium 'Ruth Kennedy',
showed a very close affinity to P. kolopakingii. It was even suggested that 'Ruth Kennedy' was possibly a hybrid between P. kolopakingii and P. stonei, but according to taxonomist Guido Braem this could not be confirmed by examination of the flowers.
According to Harold Koopowitz, the clone 'Ruth Kennedy' is more closely related to P. kolopakingii,but its dorsal sepal has obvious affinities with P. stonei.
This plant was selfed and used in hybridization. Its progeny from selfing are widely cultivated under the name of P. stornei var. laltifolium, and its hybrid progeny are registered under the name P. stonei, creating quite a bit of confusion. Koopowitz suggests that because these plants differ significant from both P. stonei and P. kolopakingii, and because they breed true, they should be described as a separate species.
Sugiyama made both selfings and sibling crosses from the original 15 plants he received.
Offspring from theses crosses tended to look almost identical to the parents, with little variations among the progency.
This consistency provides additional evidence that these plants represents an species, and not a hybrid of P. kolopagingii and stonei.
Dr. Yoshishige Tachibana first discovered and collected plants of P. platyphyllum in 1964, when he found a population of about 30 plants growing together with Alocasia and Aglaonema on limestone rock in front of a huge cave at an elevation of 800 m, near the summit of Bukit Kana, Tachibana collected about 20 plants of which 15 were given to Fumimasa Sugiyama of Yamato-Noen Orchids.
A few years later, Sugiyama sent a division as an unknown species to Norwood Schafer in Baltimore, Maryland, who then sent it to George Kennedy in California. Kennedy named his plant P. stonei var. latifolium "Ruth Kennedy''. It received a High Class Certificate (HCC) in 7979 from the American Orchid Society (AOS)and an Award of Merit (AM) in 1981.
After Paphiopedilum kolopakingii was discovered and described in 1987, it was noted that Kennedy's plant, P. stonei var. latifolium 'Ruth Kennedy',
showed a very close affinity to P. kolopakingii. It was even suggested that 'Ruth Kennedy' was possibly a hybrid between P. kolopakingii and P. stonei, but according to taxonomist Guido Braem this could not be confirmed by examination of the flowers.
According to Harold Koopowitz, the clone 'Ruth Kennedy' is more closely related to P. kolopakingii,but its dorsal sepal has obvious affinities with P. stonei.
This plant was selfed and used in hybridization. Its progeny from selfing are widely cultivated under the name of P. stornei var. laltifolium, and its hybrid progeny are registered under the name P. stonei, creating quite a bit of confusion. Koopowitz suggests that because these plants differ significant from both P. stonei and P. kolopakingii, and because they breed true, they should be described as a separate species.
Sugiyama made both selfings and sibling crosses from the original 15 plants he received.
Offspring from theses crosses tended to look almost identical to the parents, with little variations among the progency.
This consistency provides additional evidence that these plants represents an species, and not a hybrid of P. kolopagingii and stonei.
Here's a photo of the entire plant. Leaf span = 50.1 cm, leaf width = 5.0 cm.
Plant was purchased originally as a seedling fro Doc Charles a long time ago and labelled "Paph. stonei var latifolium 'Ruth Kennedy' ( x self)
Plant was purchased originally as a seedling fro Doc Charles a long time ago and labelled "Paph. stonei var latifolium 'Ruth Kennedy' ( x self)
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SlipperFan
Addicted
Synonym platyphyllum?
“PAPHIOPEDILUM PLATYPHYLLUM Yukawa ex Gruß
in Die Orchidee, 52(1): 84-87 (2001)
SYNONYMS
Paphiopedilum fumi Hort. (nomen nudum)
Paphiopedilum stonei var. latifolium Hort. (nomen nudum)
Paphiopedilum sugiyamii Hort. (nomen nudum)
DISCUSSION
This taxon is generally known under the designation Paphiopedilum stonei var. latifolium. According to Gruß (loc. cit.), it was discovered by Mr. Toyoshima in 1964 in Sarawak, Borneo. Quené (2003) claims that the plant was discovered by Dr. Yoshishige Tachibana at 800 meters, near the summit of Bukit Kana. According to the Quené report, Tachibana found a population of about 30 plants and collected 20. Fifteen of the plants were passed on to Fumimasa Sugiyama of Yamata-Noen Orchids who, some years later, sent a division to Norwood Schaffer in Baltimore, USA. The plant was passed on to the geologist George Kennedy who coined the name “Paphiopedilum stonei var. latifolium” and obtained the now “legendary” award from the AOS.
For many years, insiders have suggested that the plant is nothing but a man-made hybrid of P. stonei and an undisclosed second parent. The karyotype is very close to that of P. stonei (Karasawa, 1986). All plants known to be in cultivation are divisions of the plant[…]”
Excerpt From: Braem. “Paphiopedilum.” iBooks. https://itunes.apple.com/WebObjects/MZStore.woa/wa/viewBook?id=549DA8592DC469C6E2C3350BC520A9A0
“PAPHIOPEDILUM PLATYPHYLLUM Yukawa ex Gruß
in Die Orchidee, 52(1): 84-87 (2001)
SYNONYMS
Paphiopedilum fumi Hort. (nomen nudum)
Paphiopedilum stonei var. latifolium Hort. (nomen nudum)
Paphiopedilum sugiyamii Hort. (nomen nudum)
DISCUSSION
This taxon is generally known under the designation Paphiopedilum stonei var. latifolium. According to Gruß (loc. cit.), it was discovered by Mr. Toyoshima in 1964 in Sarawak, Borneo. Quené (2003) claims that the plant was discovered by Dr. Yoshishige Tachibana at 800 meters, near the summit of Bukit Kana. According to the Quené report, Tachibana found a population of about 30 plants and collected 20. Fifteen of the plants were passed on to Fumimasa Sugiyama of Yamata-Noen Orchids who, some years later, sent a division to Norwood Schaffer in Baltimore, USA. The plant was passed on to the geologist George Kennedy who coined the name “Paphiopedilum stonei var. latifolium” and obtained the now “legendary” award from the AOS.
For many years, insiders have suggested that the plant is nothing but a man-made hybrid of P. stonei and an undisclosed second parent. The karyotype is very close to that of P. stonei (Karasawa, 1986). All plants known to be in cultivation are divisions of the plant[…]”
Excerpt From: Braem. “Paphiopedilum.” iBooks. https://itunes.apple.com/WebObjects/MZStore.woa/wa/viewBook?id=549DA8592DC469C6E2C3350BC520A9A0
polyantha
Well-Known Member
Wow, very compact plant!
NYEric
Well-Known Member
Yes, nice small leaves! 
very nice, and I don't like multis!
very nice, and I don't like multis!
really interesting insights. Thanks
AdamD
Catasetinae Crazed
I grow both stonei and kolo, and neither of the plants are diminutive by any stretch of the imagination. In my opinion species classification was necessary.
That being said, very nice platyphyllum! I hope you make some babies!
That being said, very nice platyphyllum! I hope you make some babies!
