Trachyphyllum carinatum Dix. is reported new to China from Xishuangbanna

Redfearn, Paul L.

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Tropical Bryology 14: 1, 1998Trachyphyllum carinatum Dix. new to ChinaPaul L. Redfearn, Jr.Dept. of Biology, Southwest Missouri State University, Springfield, MO, 65804-0095,U.S.A.Abstract: Trachyphyllum carinatum Dix. is reported new to China from Xishuangbanna.In 1986 while collecting in Xishuangbanna,China, a small pleuocarpus moss was collectedon a tree trunk along the edge of a road.Preliminary examination suggested that it mightbe a Homomallium.  However, it did not reallyseem to belong in this genus and  it was sent foridentification to Dr. N. Nishimura in Japan.  Heconcluded that it was neither Homomallium norHondaella and suggested that it might be closeto Pylaisiadelpha tenuirostris (Bruch & Schimp.in Sull.) Buck because of it had propagules, nocentral strand in the stem and nopseudoparaphyllia.  He noted that he had neverseen such a combination of characters in theHypnaceae and asked Dr. H. Ando to examinethe collection.  He rejected Pylasiadelphabecause of the shape of the propagules andsuggested that it might be in the Entodontaceae.Subsequently, I asked Dr. W. R. Buck to examinethe collection and he identified it asTrachyphyllum carinatum Dix. Apparently I hadfailed to notice that the lamial cells are prorulose.This character, combined with the propagules andnumerous alar cells are quite distinctive and keyout nicely in Buck´s  (1979) monograph ofTrachyphyllum.This species is currently reported only fromThailand and Burma.  Its presence inXishuangbanna is not surprising.The collection data for this collection is: CHINA,Yunnan Province, Xishuangbanna.  MenghaiCounty.  Along road adjacent to old tea grove.Nannuo Mountain.  Elev. 1400-1500 m, on treetrunk.  P. L. Redfearn 34247 ( KUN, MO, NY,PE, SMS).AcknowledgmentsThe author would like to thank Drs. H. Ando, W. R. Buckand N. Nishimura for their aid in the identification of thisspecmen.  Support for field work in Xishuangbanna isacknowledged with thanks to the National GeographicSociety.ReferenceBuck, W. R. 1979. A revision of the moss genusTrachyphyllum Gepp (Thuidiaceae). Brittonia 31:379-394.

Trachyphyllum carinatum Dix. new to China

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