In issue 211, Viateur asked about Cymbidium hoosai Makino and the conditions under which it grows. According to Du Puy & Cribb in "The Genus Cymbidium", this name is now a synonym of Cymbidium sinense (Jackson in Andr.) Willdenow. My references indicate that this species is found in eastern China, Hong Kong, and the mountains throughout Taiwan from 1000-4000 ft. (300-1200 m). It generally grows in dense or partial shade in broadleaved forests, near streams or water seepages, growing in leafy, humus-rich soil. It is also found in the Khasia Hills of northeast India, through Burma, northern Thailand, and into western China at higher elevations, usually 4600-7500 ft. (1400-2300 m). It also is reported as occurring in the Ryukyu Islands.
Climatological data from Taiwan indicates high humidity year-round with very wet summers. Rainfall is reduced in winter without having a severe or prolonged dry season, although the winter dry season in some parts of the habitat is undoubtedly drier than indicated by the Taiwan data. Summer maximum temperatures probably run about 80-84 degrees F (27-29 degrees C), with minimums 65-68 degrees F (18-20 degrees C). Winter values probably average near 61 degrees F (16 degrees C) for the maximum, while the winter minimums run 45-50 degrees F (7-10 degrees C). I hope this helps answer some of your questions. Cheers, Charlie
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