Stelis triangulabia Ames 1925 SECTION Stelis

Photo by Pontus Aratoun and his Miniature Orchid Website


Drawing by Oscar Duque

HOLOTYPE Drawing and collection sheet

HOLOTYPE Drawing by Ames and The Epidendra Website

Common Name The Triangular Lip Stelis [refers to the lip]

Flower Size

Found in Alajuela province of Costa Rica in montane forests at elevations around 1050 to 1500 meters as a mini-miniature sized, cool growing, caespitose epiphyte with an erect, slender ramicaul enveloped by a 2 to 3, closely adpressed tubular sheaths below the middle and carrying a single, apical, erect, coriaceous, narrowly elliptical-lanceolate, tridenticulate, contracted below into the slender petiolate base leaf that blooms in the summer on an erect, arising through a strongly complanate spathe, slender, subcongested, distichous, sublax, 3.6 to 4" [9 to 10 cm] long including the 2.4" [6 cm] long peduncle, mostly simultaneously many flowered inflorescence with subacute to acute, longer than the pedicel floral bracts and carrying small, pale yellow flowers.

Closely allied to S parvula but disitnct in the triangularlip and very different petals and in the bracts of the inflorescence." Ames 1925

"A small plant with broadly ovate sepals and a triangular lip." Duque 2008


References W3 Tropicos, Kew Monocot list , IPNI ;

* Schedul. Orch. 9: 23 Ames 1925 drawing fide;

Manual de Plantas de Costa Rica Vol 3 Hammel, Grayum, Herrera and Zamora 2003;

Orchidaceae Stelis Swartz A Compendium Duque 2008 drawing good;