Bulbophyllum purpureum, also known as the purple bulbolphyllum, is a species of miniature orchid from the genus Bulbophyllum found in Sri LLanka. The Purple Bulbophyllum has pale, yellow flowers, and gets its name from its leaves, which are typically dark green with purple edges from above and purple below. It blooms in September to December.
References The Bulbophyllum-Checklist The Internet Orchid Species Photo Encyclopedia The Smithsonian Gardens