Stelis williamsii Ames 1922SECTION Stelis

Drawing by Oscar Duque

Common Name Williams' Stelis [American Botanist in Panama 1900's]

Flower Size .16" [4mm]

Found in Honduras and Panama at elevations of 600 to 2000 meters as a small sized, warm to cool growing, caespitose epiphyte with erect ramicauls enveloped by 2 to 3 sheaths and carrying a single, apical, erect, oblanceolate-ligulate, gradually narrowing below into the attenuate, shortly petiolate base leaf that blooms in the spring on a to 9.2" [23 cm] long, much longer than the leaf, many flowered inflorescence with infundibuliform, free part triangular-lanceolate to broadly ovate, acute to acuminate floral bracts.

Allied to S collina


References W3 Tropicos, Kew Monocot list , IPNI ;

* Orchidaceae 7: 133 Ames 1922

The Orchids of Panama L.O. Williams & P Allen 1946;

Icones Plantarum Tropicarum Plate 1296 Hamer 1985 not = S vespertina;

Orchidaceae Stelis Swartz Compendium Duque 2008 drawing fide;