ORIGIN: Found in southern China in Yunnan State, southern Taiwan and in northern Vietnam in primary, broadleaf, evergreen forests in shaded gorges and ridge tops [also naturalized to the warmer parts of Japan] at elevations around 400 to 3300 meters.
DESCRIPTION: Small to medium sized, cool to cold growing terrestrial, epiphyte or lithophyte with small, ovoid, slightly bilaterally compressed pseudobulbs enveloped by 5 scarious sheaths and carrying 5 to 6, linear-elliptic, arching, acute, usually oblique apically, articulated to the pseudobulb leaves that blooms in the spring on a robust, suberect, 6 to 10 [15 to 25 cm] long, several to many [6 to 45] flowered inflorescence with 6 to 8, becoming scarious, cylindrical in the lower half, becoming expanded and cymbiform, acute bracts and triangular, short, acute floral bracts and carrying close set, non-scented flowers that turn rosy to red after pollination.
FLOWER SIZE: 1.2 to 1.6 inches [3 to 4 cm]
-- information provided by Jay Pfahl, author of the
Internet Orchid Species Encyclopedia (IOSPE).