Platanthera tescamnis, the intermountain bog orchid or yellow rein orchid, is a species of orchid described in 2006.Sheviak, C. J. and W. F. Jennings. (2006). A new Platanthera (Orchidaceae) from the Intermountain West. Rhodora 108:933 19-31. The plant is well-known but had been misidentified.NYS Museum Scientist Reports Discovery of New Orchid Species. New York State Museum Press Release April 19, 2006. It is native to the Great Basin and Colorado Plateau of the western United States (Colorado, Utah, Arizona, Nevada, California), where it grows in warmer, drier habitat than most related orchids.
Platanthera tescamnis produces a slender, erect flowering stem which may exceed in height. There are several leaves around the base of the stem, lance-shaped to oval and measuring up to long by wide. The inflorescence is a dense spike of many small yellow-green flowers.
Taxonomy Platanthera tescamnis was scientifically described and named in 2006 by Charles John Sheviak and William F. Jennings. It is classified in the genus Platanthera as part of the family Orchidaceae. It has one homotypic synonym from when Paul Martin Brown, Scott L. Stewart, and Roberto Gamarra Gamarra suggested it should be moved to Limnorchis in 2009.
References
External links
P. tescamnis page (with live specimen photos) from Calflora Jepson Manual Treatment