Stelis bivalvis Luer 2002 SECTION Humboldtia Photo by Ecuagenera and their Ecuador Orchid Website

Common Name The Clam-Like Stelis

Flower Size .025" [5mm]

Found in Zamora-Chinchipe, Ecuador in montane forests at elevations around 1500 meters as a mini-miniature sized, cool growing epiphyte with erect, stout ramicauls enveloped by a loose tubular sheath and another below and carrying a single, apical, erect, coriaceous, elliptical, subacute to acute, cuneate below into the petiolate base leaf that blooms in the fall on a congested, distichous, 2" [5 cm] long including the .8" [2 cm] long peduncle, simultaneously several flowered inflorescence arising from an annulus below the apex of the ramicaul and has infundibular, inflated, obtuse floral bracts.

This is a miniature plant with an inflorescence that is shorter than the leaf has 2 ranked flowers in a short congested raceme with all the flowers facing one direction and not opening well. It also has a convex transversely kidney-shaped dorsal sepal held over a shallowly concave synsepal of a similar shape. The petals of the flower are thickly reniform and the semilunate lip is short and is 3 times wider than it is long.


References W3 Tropicos, Kew Monocot list , IPNI; *Icones Pleurothallidinarum Vol XXIV Luer 2002 drawing ok; Native Ecuadorian Orchids Vol 5 Dodson 2004 drawing/photo ok