Microchilus caucanus (Schltr.) Ormerod 2002
TYPE Drawing of Physurus caucanus by © Schlechter and The Plant Illustrations Website

EARLIER
Common Name The Cauca Microchilus [A department of southern Colombia]
Flower Size .08" [2 mm]
Found in the Valle de Cauca department of Colombia at elevations around 1800 to 2200 meters as a large sized, cool to cold growing terrestrial with a terete, glabrous, leafy stem carrying erect-patent, obliquely elliptic, acuminate, glabrous, cuneate below into the petiolate base leaves that blooms in the earlier summer on an erect, terminal, strict, many sheathed, glandular-puberulent, 4" [10 cm] long, subdensely many flowered inflorescence with suberect, lanceolate, acumminate, almost twice as long as the ovary floral bracts.
"The habit of this species resembles M dolistachys and M hetaerioides but from both M caucana differs by the larger sepals and longer ovariews as well as by the shallow sinus at the apex of the lip." Szlachetko & Kolanowska 2017
Synonyms Erythrodes caucana (Schltr.) Ames 1922; *Physurus caucanus Schltr. 1920
References W3 Tropicos, Kew Monocot list , IPNI ;
Repert. Spec. Nov. Regni Veg. Beih. 7: 70 Schlechter 1920 as Physurus caucanus ;
Studies in the Orchidaceae 7: 68 Ames 1922 as Erythrodes caucana;
* Lindleyana 17: 216 Ormerod 2002;
Materials to the Orchid Flora of Colombia Vol 1: 365 Szlachetko & Kolanowska 2017 drawing fide;
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