Gastrodia madagascariensis H.Perrier ex Martos & Bytebier 2015
Photos by © Antoine Charbouillot and the Gastrodia madagascariensis (Gastrodieae, Orchidaceae): From an historical designation to a description of a new species from Madagascar Website
Common Name The Madagascan Gastrodia
Flower Size
Found in northeastern Madagascar at elevations around 150 to 200 meters as a small to medium sized, hot growing mycorrhizal terrestrial with a subterranean, fleshy, fusiform, villous to tomentose, densely noded rhizome giving rise in the winter to an erect, 4 to 12" [10 to 30 cm] long, glabrous, dark brown to blackish, provided with 3 to 4 tubular sheaths in the lower half, racemose, rachis.4 to 1.6" [1 to 4 cm] long, 1 to 12 flowered inflorescence with lanceolate to ovate, acute floral bracts and carrying resupinate, campanulate, spreading flowers.
"This new species is closely related to G. similis from Reunion Island, from which it can be distinguished by the perianth tube spreading towards the apex, the shape of the column and stigma, and the flower colour." Phytotaxa 221 (1): 048–056 2015
Synonyms
References W3 Tropicos, Kew Monocot list , IPNI ; Flora of Madagascar Perrier 1939/81 drawing fide; *Phytotaxa 221(1):48-56 · July 2015 Gastrodia madagascariensis (Gastrodieae, Orchidaceae): From an historical designation to a description of a new species from Madagascar Martos, Johnson and Bytebier drawing/photo fide; A la Recherche des Orchidees de Madagascar Hervouet 2018 photo fide;
----------------------------------------------------------------------------------------------------------