A new, miniature helmet orchid Orchidoceoea from South Australia is described as new and a larger helmet orchid Corysanthes dilatata re-instated

摘要

Corysanthes minima is described as new and Corysanthes dilatata Rupp & Nicholls reinstated as a species restricted to South Australia. Notes are included on their distribution, ecology and conservation status and their distinguishing features are compared with those of allied taxa.