Habenaria megapotamensis Hoehne 1939 SECTION Leptoceras

Inflorescence and Plant in situ Rio Grande Do Sul

photos by © Jacques Klein. and his and Flickr Orchid Photo WebSite

TYPE Drawing TYPE Drawing by © Hoehne

Common Name The Large River Habenaria [refers to the Parana]

Flower Size 1" [2.5 cm]

Found in Parana and Rio Grande Do Sul states of Brazil as a medium sized, cold growing terrestrial with an erect, lower part with strongly amplexicaul sheaths, from the first third and up leafy stem carrying several, 5 nerved, lanceolate, middle largest decreasing in size upwards and towards the base leaves that blooms in the summer on a erminal, erect, laxly many flowered inflorescence with lsnceolate, shorter than the ovary floral bracts and carrying green-yellow flowers with a yellow lip.

"Closely related to H longipedicellata but H megapotamensis has longer leaves, alaxer, many flowered inflorescence with slightly larger flowers with longer spurs up to 3" [7.5 cm] long, while the pedicels do not exceed a max of 1" [2.5 cm] in length.

Synonyms Rhinorchis megapotamensis (Hoehne) Szlach. 2012

References W3 Tropicos, Kew Monocot list , IPNI ;

*Arq. Bot. Estado São Paulo, n.s., f.m., 1: 41 Hoehne 1939

Flora Brasilica Vol XII I: 107Hoehne 1940

Flora Brasilica Vol XII I: Hoehne 1940 drawing fide;

Orchidaceae Brasilensis Band 1: tab 55 Pabst & Dungs 1975 drawing ok;

Richardiana 13: 77 Szlach 2012 as Rhinorchis megapotamensis

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