PLANT FAMILY: Costaceae
BOTANICAL NAME: Dimerocostus cryptocalyx
FORMAL SCIENTIFIC NAME: Dimerocostus cryptocalyx N.R.Salinas & Betancur
Dimerocostus cryptocalyx is a stunning plant with large pendent inflorescences, bracts with the appearance of large leafy green appendages but described as not having appendages. The flowers are white with a "scarlet" red base in the labellum.
This species is endemic to Colombia, found in the departments of Antioquia, BoyacÃ¡ and ChocÃ³. The type was collected by John Kress and others in 1995, Municipio de Frontino, corregimiento Nutibara - la Blanquita, 7-8 km entre el alto de las Cuevas y La Blanquita, W. Vertiente pacÃfica de Colombia, region de MuttÃ., Antioquia, Colombia, South America. It was formally named and described in 2004.
The species was described in 2004 by Nelson R. Salinas & Julio Betancur. A PDF file of the publication (in Spanish) can be seen here: http://www.gingersrus.com/images/Costaceae/Dimerocostus/Dimerocostus_cryptocalyx.pdf
I have not seen this species myself, but my Heliconia Society friends, Carla Black and Bruce Dunstan, sent me some photos they took on a trip to Colombia. A thumbnail page showing the photos can be found at http://www.gingersrus.com/images/P7497