In winter, daytime temperatures on Mt. Ali fall below 10oC, and night often brings a light dusting of frost. At this time the pleiones shed their leaves and die back to leave just the bulbs, which become dormant for a full four months or more, buried in a thick carpet of moss which keeps them warm and moist.
冬季，阿里山氣溫在十度以下，夜間時而薄蓋霜雪，此時一葉蘭葉子凋零，球莖萎縮，進行休眠，足足四個多月，球莖埋在厚厚的苔蘚中，既保溫又保濕。