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what does this mean? Does it mean simply fifty percent humidity?-- 174.90.78.3 ( talk) 19:44, 25 October 2010 (UTC) reply

This implies that it is a difficult orchid, which it is not. Does it mean 'a wide spectrum of conditions that will meet its requirements"? -- 174.90.78.3 ( talk) 19:46, 25 October 2010 (UTC) reply