Stelis oscarii Luer 2017 SECTION Humboldtia

TYPE Drawing of S duquei by © Carl Luer

LATE

Common Name Oscar's Stelis [Oscar Duque Colombian Orchidologist 2015]

Flower Size .4" [1 cm]

Found in Antioquia department of Colombia at elevations around 2000 to 2400 meters as a small to medium sized, cold growing, densely caespitose epiphyte with erect ramicauls enveloped by a tubular sheath on the middle third and 1 to 2 others below and at the base and carrying a single, apical, erect, coriaceous, elliptical-ovate, acute, petiolate base leaf that blooms in the late fall, winter and spring on 1 to 2, arising through a slender spathe from a node below the apex of the ramicaul, peduncle 4" [10 cm], rachis to 8 to 12" [20 to 30 cm] long, erect, strict, subcongested, distichous, mostly simultaneously, many flowered inflorescence with tubular, obtuse, shorter than the ovary floral bracts and carrying greenish white flowers.

"Oscar Duque found this robust species to be frequent, but not previously recorded. A long raceme of large, light green flowers with a deeply concave synsepal exceeds a large, elliptical leaf. The dorsal sepal is seven-veined, and the petals are thick and three-veined. The lip is type A with a shortly bifid bar, an obtuse apex, and with a three-lobed callus on the dorsum. The name S. oculta is invalid because the author did not specify where the type had been deposited." Luer 2016

Synonyms Stelis duquei Luer & R.Escobar 2016 nom. illeg.; Stelis occulta O.Duque 2010 publ. 2011

References W3 Tropicos, Kew Monocot list , IPNI ;

Orquideologia 27: 131 O Duquei 2010 publ. 2011 as S Occulta

Harvard Pap. Bot. 21: 36 Luer & Escobar 2016 as S duquei drawing fide;

*Harvard Pap. Bot. 22: 112 Luer 2017

--------------------------------------------------------------------------------------------------------------------------

-----------------------------------------------------------------------------------------------------------------------------