Stelis biserrula Lindl. 1859 SECTION Humboldtia
Photo by © Modesto Zarate B. and The Parque Nacional Carrasco, Cochabamba Bolivia, Orquideas del Proyecto Hidroelectrico Ivirizu Website
Photo by © Alexander Reynolds and The University of California Davis Website
Drawing by © Carl Luer
LATE
Common Name The Two Edged Saw Stelis
Flower Size .12” [3 mm]
Found in Trujillo amd Merida states of Venezuela, Colombia and Oichincha, Imbabura and El Oro provinces of Ecuador at elevations around 1000 to 3200 meters as a miniature [each plantlet] sized, warm to cold growing, scandent epiphyte with ascending, slender, prolific ramicauls enveloped by a tubular sheath below the middle and another at the base and carrying a single, apical, erect, coriaceous, narrowly ellipitical, acute, cuneate below into the petiolate base leaf that blooms in the late spring and summer on an erect, arising from an annulus below the apex of the ramicaul, subdense, distichous, 2 to 4” [5 to 10 cm] long including the .4” [1 cm] long peduncle, simultaneously several, many flowered inflorescence with infundibular, shorter to longer than the ovary floral bracts.
CAUTION The Photoa above are just not good enough for a positve ID so please use with caution! See also S bicornis and S langlassei.
"Characterized by the prolific, long scandent, vine-like habit with acute leaves. The small flowers are crowded and alternate wwith proportionally large floral bracts that give the raceme the appearance 0f a double-edged saw." Luer 2009
Synonyms
References W3 Tropicos, Kew Monocot list , IPNI ;
*Fol. Orchid. 8: 16 Lindley 1859;
Venezuelan Orchids Illustrated Vol 2 Dunsterville & Garay 1961 not = S bicornis;
Flora de Venezuela Volumen 15 Parte 2 Foldats 1970 drawing good;
Fieldiana Botany Vol 33 1st Supplement to the Orchids of Peru Schweinfurth 1970;
Venezuelan Orchids Illustrated Vol 6 Dunsterville & Garay 1976 drawing ok;
Orchids of Venezuela An Illustrated Field Guide Vol 3 Dunsterville & Garay 1979 drawing not = S bicornis;
Orquideas de Bolivia Vol 1 Vasquez & Ibisch 2000 photo good;
Orquideas de la Serrania del Baudo Misas Urreta 2005 drawing/photo good;
Orchidaceae Stelis Swartz Duque 2008 drawing fide;
Icones Pleurothallidinarum Vol XXX Lepanthes of Jamaica Stelis of Ecuador Part IV Luer 2009 ;
Icones Pleurothallidinarum Vol XXX Lepanthes of Jamaica Stelis of Ecuador Part IV Luer 2009drawing fide;
The Parque Nacional Carrasco, Cochabamba Bolivia, Orquideas del Proyecto Hidroelectrico Ivirizu Website 2021 photo fide;
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