Rhynchostylis rieferi W. E. Higgins

Rhynchostylis rieferi is a species of orchid endemic to the Philippines. Its morphology is very similar to Rhynchostylis retusa, however the flowers are smaller and the leaf tip forms an acute spike. The species was discovered from a cultivated plant in the United States of America.

References

• http://www.orchidspecies.com/rhynreiferii.htm
• HIGGINS, W. E. (2012). A New Name For A Distinctive Rhynchostylis (Orchidae) And The Misapplication of Rhynchostylis praemorsa. Selbyana, 31(1), 40–43.
• World Checklist of Selected Plant Families: Royal Botanic Gardens, Kew: Rhynchostylis rieferi. (2013). Retrieved March 21, 2016, from http://apps.kew.org/wcsp/namedetail.do?name_id=492854

• Media related to Rhynchostylis rieferi at Wikimedia Commons
• Data related to Rhynchostylis rieferi at Wikispecies