Stelis marioi Luer & Hirtz 2012 SECTION Humboldtia

TYPE Drawing by Carl Luer

Common Name Mario's Stelis [Sr Portilla collector of the type current]

Flower Size .4" [1 cm] wide

Found in Morona-Santiago province of Ecuador at elevations around 2500 meters as a mini-miniature sized, cold growing, caespitose epiphyte with slender, erect ramicauls enveloped by 2 thin, tubular sheaths and carrying a single, erect, coriaceous, elliptical, acute, cuneate below into the petiolate base leaf that blooms in the fall on 1 to 2, erect, arising from near the apex of the ramicaul, through a narrow spathe, peduncle 1.6 to 2" [4 to 5 cm] long, 8" [20 cm] long overall, slightly flexuous, successively few, 10 to 20 flowered inflorescence with as long as the ovary floral bracts and carrying light yellow green, glabrous flowers.

"This little species of SECTION Humboldtia (Ruiz & Pav.) Pers. is distinguished by elliptical, petiolate leaves surpassed by a gradually lengthening, loose, successively flowered raceme, usually with only one or two pale, nonresupinate flowers open at a time. The petals are three-veined, and the lip is broadly rounded at the apex and with a low callus on a narrow dorsum." Luer 2012


References W3 Tropicos, Kew Monocot list , IPNI ;

*Harvard Papers in Botany, Vol. 17, No. 2, pp. 333 to 368 2012 MISCELLANEOUS NEW SPECIES IN THE PLEUROTHALLIDINAE (ORCHIDACEAE) Carlyle A. Luer drawing fide