Habenaria hilsenbergii Ridl. 1885
Photo by © G Gilles and The Paleo-Orchid WebPage
Photo by © David Roberts
LATER 
EARLY 
Common Name Hilsenberg's Habenaria
Flower Size
Found in Madagascar in rocky prairies at elevations of 1000 to 2000 meters as a medium sized, cool growing terrestrial with 2 rounded to more or less elongate tubers giving rise to an erect stem enveloped basally by sheaths and carrying 5 to 10 rigid, ascending, basally clasping, acute apically leaves that blooms in the later summer and early fall on a terminal, erect, cylindrical, many flowered inflorescence. .
Synonyms Habenaria ankaratrana Schltr. 1924; Habenaria atra Schltr. 1916
References W3 Tropicos, Kew Monocot list , IPNI ; Repert. Specierum Nova. Regni Vegetabilis Band 33 Schlechter 1925 as H ankaratrana; Repert. Specierum Nova. Regni Vegetabilis Band 33 Schlechter 1925 as H atra; Repert. Specierum Nova. Regni Vegetabilis Band 33 Schlechter 1925; Flora of Madagascar Perrier 1939 drawing good; Field Guide to the Orchids of Madagascar Cribb & Hermans 2009 photo fide to the David Roberst photo above; Les Orchidees de Madagascar Bosser & Lecoufle 2015 photo fide; A la Recherche des Orchidees de Madagascar Hervouet 2018 photo fide Fide to G Gilles photo;
--------------------------------------------------------------------------------------------------------------------------
-------------------------------------------------------------------------------------------------------------------------------------------------
