ORIGIN: Found in Guangdong, Guangxi, Guizhou and Yunnan provinces of China, Assam, Bangladesh, eastern Himalayas, India, Nepal, Sri Lanka, Andaman Islands, Myanmar, Thailand, Laos, Cambodia, Vietnam, Hong Kong, Malaysia, Java and Sumatra in evergreen and in semi-deciduous and deciduous dry lowland forests and savana-like woodlands at elevations of sea-level to 1100 meters.
DESCRIPTION: Large sized, hot to warm growing epiphyte or lithophyte on open mossy rocks with very small pseudobulbs enveloped by leaf bases, with coriaceous, suberect, linear-ligulate, obscurely bilobed apically leaves that blooms on a 2 1/2' [75 cm] long, basal, pendant, laxly many  flowered, racemose inflorescence occurring in the spring.
FLOWER SIZE: 1 3/4 inch [4.25 cm]
-- information provided by Jay Pfahl, author of the
Internet Orchid Species Encyclopedia (IOSPE).