Stelis leptorhiza Luer & R.Escobar 2016 SECTION Humboldtia

TYPE Drawing by Carl Luer


Common Name The Thin Rhizome Stelis

Flower Size .2" [5 mm]

Found in Antioquia department of Colombia at elevations around 1500 meters as a small to medium sized, cool growing, long-repent epiphyte with erect, slender ramicauls enveloped by a close tubular sheath on the middle third and another 1 to 2 about the base and carrying a single, apical, erect, coriaceous, broadly elliptical, acute, acuminate, cuneate below into the petiolate base leaf that blooms in the later spring on 1 to 2, arising through a slender spathe from a node at the apex of the ramicaul, peduncle 2.4 to 3.2" [6 to 8 cm] long, rachis 5.2 to 8" [13 to 20 cm] long, erect, strict, secund, subdense, mostly simultaneously many flowered inflorescence with infundibular, acute, as long as the ovary floral bracts and carrying yellow green flowers.

"This large species is long-repent with a thin, creeping rhizome that produces a tall, slender ramicaul about every two centimeters. The leaf is large, thinly coriaceous, elliptical, acuminate at the tip and long-petiolate at the base. One or two racemes of medium-sized flowers far surpass the leaf. The dorsal sepal is five-veined, the petals are threeveined, and the lip is a modified type "A"." Luer 2016


References W3 Tropicos, Kew Monocot list , IPNI ;

*Harvard Pap. Bot. 21: 205 Luer & Escobar 2016 drawing fide