!Hexisea bidentata Lindley 1834 Photo by the Orchid Pavilion © .

Specimen Plant Photo courtesy of Jay Pfahl © .

Plant in situ Panama Photo by Wilfried Löderbusch

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Common Name Bidentate Hexisea

Flower Size to 1" [2.2 cm]

The distinguishing characteristic between this species and Hexisea imbricata is color on the lip. This species has a purple to maroon spot on the lip while H. imbricata has a yellow area around the callus. The stigma is enclosed by column outgrowths in this species while in H. imbricata it is not. Found from Costa Rica , Panama, Colombia Venezuela, Guyana, French Guiana, Surinam, Ecuador, Peru and Brazil in low gallery forests at elevations below 1500 meters as a miniature sized epiphyte that has 3 to 4 segmented, with hairs at each segmental joint, narrowly elliptic pseudobulbs arising out of the apex of the bottom larger narrowly elliptcic pseudobulb and each segment has some root growth arising from the segmental joint and carrying 1 to 2, apical, linear, acute, basally clasping leaves. This species flowers through the summer and they occur on a short to 1 1/2" [3.75 cm] long, sheathed, racemose inflorescence with a few flowers arising from the apex of the uppermost pseudobulb segment.

Synonyms Scaphyglottis bidentata (Lindl.) Dressler 2002

References W3 Tropicos, Kew Monocot list , IPNI ; Repert. Sp. Nov. Regni. Veg. Beih. 17: 26. Panama Schlechter 1922; Repert. Sp. Nov. Regni. Veg. Beih. 19: 112. Costa Rica Schlechter 1923; Repert. Sp. Nov. Regni. Veg. Beih. 19: 203. Costa Rica Schlechter 1923; AOS Bulletin Vol 26 No 2 1957; AOS Bulletin Vol 27 No 6 1959; Venezuelan Orchids Illustrated Vol 1 Dunsterville & Garay 1959; AOS Bulletin Vol 30 No 9 1961; Flora de Venezuela Foldats Volumen XV Part 3 1970; Orchids of Venezuela ; An Illustrated Field Guide Vol 2 Dunsterville & Garay 1979 drawing fide; Icones Planetarum Tropicarum Plate 778 Dodson 1982 drrawing fide; Flora Novo-Galaciana Vol 16 McVaugh 1985; Native Colombian Orchids Vol 2 COS 1991 photo fide; Venezuela; Paraiso de Orquideas Romero 1997 photo fide; Cattleyas and Their Relatives Vol 5 Withner 1998 drawing fide; Flora of the Venezuelan Guayana Vol 7 Steyermark, Berry, Yatskievych and Holst 2003; AOS Bulletin Vol 75 No 3 2006 drawing; Orchid Species Of Peru Zelenko & Bermudez 2009 photo fide as Scaphyglottis bidentata; Orchids of Costa Rica Vol 1 Morales 2009 as Scaphyglottis bidentata photo fide;

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