Benthamia rostrata Schltr.1924

Photo by Gilles Grunenwald Drawing

Drawing by Perrier

Part shade Cool Cold Summer Fall

Common Name The Beaked Benthamia

Flower Size

Found in central Madagascar in rock piles and in praries at elevations of 1400 to 2300 meters as a medium to just large sized, cool to cold growing terrestrial with 4 to 6 fusiform tubers giving rose to a stem bearing 2 radical leaves below the 7 to 10 lanceolate sheaths above, gradually becoming bracts above that blooms in the summer and fall on an erect, 18" to 26" [45 to 65 cm] long, rachis rigid, to 10" [25 cm] long, densely many flowered inflorescence with lanceolate, very acuminate, lowermost longer than the flower floral bracts and carrying green to greenish-yellow flowers.

Very similar to B perularioides but this one differs in the 2 radical leaves, the slightly unilateral rachis, the divisions of the flower are slightly longer .16" [4 mm]; the lip is rhomboidal and heavily dilated medially and subtrilobed, the spur is filiform and longer [.2" [5 mm], and the anther is shorter and apiculate. .

Synonyms Platanthera madagascariensis Schltr. 1916

References W3 Tropicos, Kew Monocot list , IPNI ; Flora of Madagascar Perrier 1939/81 drawing fide; Les Orchidees de Madagascar Bosser & Lecoufle 2015 photo fide; A la Recherche des Orchidees de Madagascar Hervouet 2018 photo fide;