Trichosalpinx tenuis (C.Schweinf.) Luer 1983 SUBGENUS Tubella Luer 1986

Drawing by Carl Luer and The Swiss Orchid Foundation at the Jany Renz Herbaria Website

Full shade cold fall

Common Name The Thin Trichosalpinx [refers to the ?]

Flower Size .2" [5 mm]

Found in Colombia, Ecuador, Peru and Bolivia in cloud forests at elevations around [700 to 1000] 2700 to 3500 meters as a mini-miniature sized, cold growing epiphyte with erect, relatively stout ramicauls enveloped by 4 to 6, closely adpressed, microscopically scabrous, lepanthiform sheaths and carrying a single, apical, erect to suberect, thickly coriaceous, elliptical to broadly elliptical, subacute to obtuse, contracted below into the petiolate base leaf that blooms in the fall on a suberect, subdense, secund, .8 to 2" [2 to 5 cm] long including the .04" [1 mm] long peduncle, simultaneously several flowered inflorescence arising from the apex of the ramicaul.

"Distinguished by the small habit, thick elliptical leaves and a suberect, secund inflorescence to to three times as long as the leaf. The sepals are carinate, acute and attenuate and the petals are ellitpical and acute. The ligulate lip posseses a pair or low, broadly rounded lobes below the middle and a low, longitudinal, channeled callus on the disc above the base." Luer 1997

Synonyms Karma tenuis (C.Schweinf.) Karremans 2023; *Pleurothallis tenuis C.Schweinf. 1942; Trichosalpinx vertex Luer & R.Escobar 1984; Tubella tenuis (C.Schweinf.) Archila 2000

References W3 Tropicos, Kew Monocot list , IPNI ; *Orquideologia Vol 16 No 2 1984 as T vertex drawing fide; Icones Pleurothallidinarum Vol XV Systematics of Trichosalpinx Luer 1997 drawing fide;

LANKESTERIANA 23(2). Karremans, Moreno, Gil-Amaya, Morales, Espinosa, Mesa, Restrepo, Rincon-Gonzales, Serna, Sierra-Ariza and Vieira-Uribe 2023 as Karma tenuis;

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